TOEFL 4 Vocabulary Words – Online Spelling Bee

Spell: absorb (verb) /æbˈsɔrb/
Definition: To take in or assimilate something into oneself or something else.
Example Sentence: "The sponge can absorb a significant amount of water."
Word origin: The verb 'absorb' has its etymological roots in Latin.

Spell: accreditation (noun) /əˌkrɛd ɪˈteɪ ʃən/
Definition: The process of officially recognizing and certifying the competence, credibility, or quality of an organization, institution, program, or individual.
Example Sentence: "The hospital is proud of its healthcare accreditation."
Word origin: The term 'accreditation' finds its roots in the Latin word 'accreditare,' which can be broken down into two components: 'ad,' meaning 'to,' and 'credere,' meaning 'believe' or 'trust.

Spell: altruistic (adjective) /altruːˈɪstɪk/
Definition: Selflessly concerned for the well-being of others, often with no thought of personal gain or reward.
Example Sentence: "The altruistic gesture of donating her entire paycheck to charity impressed everyone."
Word origin: The adjective 'altruistic' has its roots in the Latin language.

Spell: apparatus (noun) /ˌæp əˈræt əs/
Definition: A complex set of tools, equipment, or machinery used for a specific purpose or in a particular field of work.
Example Sentence: "Firefighters use specialized apparatus to control blazes."
Word origin: The noun 'apparatus' has its etymological origins in Latin, where it was used in the sense of 'a set of tools or equipment.

Spell: asymmetrical (adjective) /ˌeɪsɪˈmɛtrɪkl/
Definition: Having a lack of symmetry or balance between the two sides or parts of an object, organism, or structure.
Example Sentence: "The building's architecture was intentionally asymmetrical."
Word origin: The adjective 'asymmetrical' has its etymological roots in Greek.

Spell: auditory (adjective) /ˈɔːdɪt(ə)ri/
Definition: Pertaining to the sense of hearing or the process of hearing itself.
Example Sentence: "The auditory nerve transmits signals to the brain for interpretation."
Word origin: The adjective 'auditory' originates from the Latin word 'audire,' which means 'to hear.

Spell: avalanche (noun) /ˈæv əˌlæntʃ/
Definition: A sudden and rapid flow of snow, ice, rocks, or debris down a steep slope or mountainside.
Example Sentence: "The climbers narrowly escaped the avalanche by taking shelter behind a large rock."
Word origin: The noun 'avalanche' has its origins in the French word 'avalanche,' which is believed to have been borrowed from the Franco-Provençal word 'lavantse,' meaning 'downrush' or 'descent.

Spell: binary (adjective) /ˈbʌɪn(ə)ri/
Definition: Characterized by the use of two distinct and mutually exclusive options or elements.
Example Sentence: "The decision was binary, with only two possible outcomes."
Word origin: The adjective 'binary' has its etymological roots in Latin.

Spell: bureaucracy (noun) /bjʊˈrɒkrəsi/
Definition: Excessively complicated administrative procedures that can hinder efficiency.
Example Sentence: "Navigating bureaucratic hurdles can be frustrating."
Word origin: The noun 'bureaucracy' has its etymological roots in French.

Spell: bureaucratic (adjective) /ˌbjɔːrəˈkratɪk/
Definition: Strict adherence to rules, regulations, and procedures at the expense of efficiency or common sense.
Example Sentence: "He found the bureaucratic processes frustrating and time-consuming."
Word origin: The adjective 'bureaucratic' derives its etymology from the French word 'bureau,' meaning 'desk' or 'office,' and the Greek word 'kratos,' meaning 'power' or 'rule.

Spell: cognizance (noun) /ˈkɒɡnɪzəns/
Definition: The state of being aware, knowledgeable, or conscious of something.
Example Sentence: "The company operated the project with full cognizance of the potential risks involved."
Word origin: The noun 'cognizance' has its roots in Latin and Old French.

Spell: coincide (verb) /ˌkoʊ ɪnˈsaɪd/
Definition: To occur at the same time or occupy the same place.
Example Sentence: "The colors of their outfits coincide beautifully, creating a harmonious look."
Word origin: The verb 'coincide' finds its roots in Latin, specifically from the Latin word 'coincidere.

Spell: compile (verb) /kəmˈpaɪl/
Definition: To collect, gather, and assemble information or data from various sources in order to create a single document, list, or other organized resource.
Example Sentence: "She needs to compile a list of potential candidates for the job."
Word origin: The verb 'compile' has its etymological origins in the Latin word 'compilare,' which is a compound of 'com-' and 'pilare.

Spell: complex (adjective) /kəmˈplɛks/
Definition: Intricate, consisting of multiple interconnected parts, or involving intricate details that may be difficult to understand or explain.
Example Sentence: "The puzzle had a complex design with hundreds of tiny pieces."
Word origin: The adjective 'complex' finds its etymological roots in the Latin word 'complexus,' which is a combination of 'com-' meaning 'together' and 'plectere' meaning 'to weave' or 'to braid.

Spell: compliant (adjective) /kəmˈplʌɪənt/
Definition: Willingness to follow rules, regulations, or requests without resistance or objection.
Example Sentence: "The employee was always compliant with company policies and procedures."
Word origin: The adjective 'compliant' finds its roots in the Latin word 'compliantere,' which is a combination of 'com,' meaning 'with,' and 'pliantere,' meaning 'to bend' or 'to be flexible.

Spell: comprehensive (adjective) /ˌkɒmprɪˈhɛnsɪv/
Definition: Complete, thorough, and includes all aspects or elements of a particular subject or topic.
Example Sentence: "She compiled a comprehensive list of project requirements."
Word origin: The adjective 'comprehensive' has its roots in Latin.

Spell: concept (noun) /ˈkɒnsɛpt/
Definition: An idea or abstraction that represents a particular class of objects, events, or ideas.
Example Sentence: "His innovative concept revolutionized the way we communicate."
Word origin: The noun 'concept' has its etymological origins in the Latin word 'conceptum,' which is the past participle of 'concipere.

Spell: confer (verb) confer/kənˈfəː/
Definition: To discuss or consult with someone to come to a decision or make a judgement about a particular matter.
Example Sentence: "I need to confer with my colleagues before making a decision."
Word origin: The verb 'confer' has its origins in the Latin word 'conferre,' which is a combination of 'con,' meaning 'together,' and 'ferre,' meaning 'to bring' or 'to carry.

Spell: connote (verb) /kəˈnoʊt/
Definition: To suggest or imply additional meanings, emotions, or associations beyond the explicit or literal definition of a word, phrase, or concept.
Example Sentence: "His choice of words seemed to connote a hidden meaning."
Word origin: The verb 'connote' has its etymological origins in the Latin word 'connotare,' which combines 'con-' meaning 'together' and 'notare' meaning 'to mark' or 'to note.

Spell: contend (verb) /kənˈtɛnd/
Definition: To assert, argue, or actively maintain a particular stance, belief, or opinion.
Example Sentence: "Athletes must contend against not only their competitors but also their own mental barriers."
Word origin: The verb 'contend' has its etymological roots in the Latin word 'contendere,' which is a combination of 'con-' meaning 'together' and 'tendere' meaning 'to stretch' or 'to strive.

Spell: debate (noun) /dɪˈbeɪt/
Definition: A formal or structured discussion or argumentation on a specific topic or issue.
Example Sentence: "The debate centered around the ethical implications of artificial intelligence."
Word origin: The noun 'debate' has an etymology that reflects its nature as a structured discussion or argumentation.

Spell: decadence (noun) /ˈdɛkədəns/
Definition: A state of moral, cultural, or societal decline marked by excessive self-indulgence, luxury, or moral decay.
Example Sentence: "The extravagant feast at the party exemplified the height of decadence and excess."
Word origin: The noun 'decadence' has its etymological origins in the Latin word 'decadentia,' which is derived from 'decadens,' the present participle of 'decadere.

Spell: decide (verb) /dɪˈsaɪd/
Definition: To make a choice or reach a conclusion after considering different options, information, or factors.
Example Sentence: "They decide to take a different route to avoid traffic."
Word origin: The verb 'decide' has its origins in the Latin word 'decidere,' which is a compound of 'de,' meaning 'off' or 'away,' and 'caedere,' signifying 'to cut' or 'to strike.

Spell: devotion (noun) /dɪˈvoʊ ʃən/
Definition: A deep and profound dedication, loyalty, or commitment to a person, cause, belief, or practice.
Example Sentence: "Their mutual devotion to each other grew stronger with each passing day."
Word origin: The noun 'devotion' is rooted in Latin, specifically in the word 'devotio.

Spell: dissect (verb) /dɪˈsɛkt/
Definition: To carefully and systematically separate or analyze something, typically an object or an idea, into its component parts or elements.
Example Sentence: "The surgeon skillfully dissected the patient's tumor during the operation."
Word origin: The verb 'dissect' has its origins in the Latin word 'dissecare,' which is formed from 'dis-' meaning 'apart' and 'secare' meaning 'to cut' or 'to slice.

Spell: elimination (noun) /ɪˌlɪm əˈneɪ ʃən/
Definition: The act or process of completely removing, eradicating, or getting rid of something or someone.
Example Sentence: "The company implemented a new system for waste elimination and recycling."
Word origin: The noun 'elimination' stems from the same Latin origins as its corresponding verb, 'eliminate.

Spell: elocution (noun) /ˌɛl əˈkyu ʃən/
Definition: The art or skill of public speaking or delivering speeches with clarity, fluency, and effectiveness.
Example Sentence: "Her elocution during the presentation captivated the entire audience."
Word origin: The noun 'elocution' has its etymological roots in Latin and is derived from the Latin word 'elocutionem,' which means 'a speaking out' or 'utterance.

Spell: encrypt (verb) /ɪnˈkrɪpt
Definition: To convert information into a code or cipher that is unreadable without the use of a decryption key or algorithm.
Example Sentence: "She uses a strong algorithm to encrypt her emails."
Word origin: The verb 'encrypt' has its etymological roots in Latin and Greek.

Spell: epicenter (noun) /ˈɛpɪˌsɛntə/
Definition: The point on the Earth's surface that is directly above the focus of an earthquake or other seismic event.
Example Sentence: "New York City became the epicenter of the fashion world during Fashion Week."
Word origin: The noun 'epicenter' has its etymology rooted in Greek.

Spell: ethos (noun) /ˈi θɒs/
Definition: The fundamental character or guiding beliefs that shape an individual, group, organization, or community.
Example Sentence: "The school promotes a strong ethos of inclusivity and respect for diversity."
Word origin: The noun 'ethos' derives its etymology from the ancient Greek word 'ἦθος' (ēthos), which can be traced back to the 4th century BCE.

Spell: exaggerate (verb) /ɪgzædʒəreɪt/
Definition: To amplify or overstate something, often to emphasize its importance, impact, or significance beyond its actual or factual value.
Example Sentence: "The people in her stories exaggerate their accomplishments to impress others."
Word origin: The verb 'exaggerate' traces its origins to the Latin word 'exaggerare.

Spell: forerunner (noun) /ˈfɔrˌrʌn ər/
Definition: A person or thing that comes before and serves as an early indication, precursor, or predecessor of something else.
Example Sentence: "The Model T was a forerunner of the modern automobile."
Word origin: The noun 'forerunner' is formed by combining 'fore' and 'runner.

Spell: forgiveness (noun) /fərˈgɪv nɪs/
Definition: The act or process of pardoning, absolving, or letting go of resentment, anger, or the desire for revenge towards someone who has wronged or hurt you.
Example Sentence: "Forgiveness is a powerful tool for healing and personal growth."
Word origin: The noun 'forgiveness' is derived from the verb 'forgive,' which has its origins in Middle English.

Spell: former (adjective) /ˈfɔr mər/
Definition: Existed or held a particular status or position in the past but no longer does.
Example Sentence: "The actress returned to her former glory with a critically acclaimed performance."
Word origin: The adjective 'former' traces its etymological lineage to the Middle English term 'forme,' which, in turn, can be traced back to the Old English word 'forma.

Spell: geothermal (adjective) /ˌdʒiːə(ʊ)ˈθəːml/
Definition: Relating to the Earth's internal heat or the heat energy stored beneath the Earth's surface.
Example Sentence: "They installed a geothermal heating system in their new house."
Word origin: The adjective 'geothermal' has its etymological origins in Greek.

Spell: grant (verb) /grænt/
Definition: To give or bestow something, typically as a formal or official act.
Example Sentence: "I implore you to grant me this one request."
Word origin: The verb 'grant' has its roots in Old English, where it was originally spelled as 'grante.

Spell: haptic (adjective) /ˈhæp tɪk/
Definition: Relating to the sense of touch or the perception of tactile sensations.
Example Sentence: "Virtual reality games often incorporate haptic sensations."
Word origin: The adjective 'haptic' draws its etymological inspiration from the Greek word 'haptikos,' which means 'able to touch' or 'related to touch.

Spell: induction (noun) /ɪnˈdʌk ʃən/
Definition: The formal process of admitting, introducing, or initiating someone into a new role, position, organization, or group.
Example Sentence: "Induction cooktops are more energy-efficient than traditional electric stoves."
Word origin: The noun 'induction' shares its etymological roots with the verb 'induct.

Spell: infinite (adjective) /ˈɪn fə nɪt/
Definition: Limitless, boundless, or without an end or boundary.
Example Sentence: "Her love for him seemed infinite, never wavering."
Word origin: The adjective 'infinite' has its etymological roots in Latin.

Spell: influence (noun) /ˈɪn flu əns/
Definition: The power, effect, or impact that one person, thing, or idea has on another.
Example Sentence: "Peer influence can greatly impact a teenager's behavior and choices."
Word origin: The noun 'influence' has its etymological roots in Latin.

Spell: inventive (adjective) /ɪnˈvɛn tɪv/
Definition: Demonstrating creativity, originality, and the ability to generate new and unique ideas or solutions.
Example Sentence: "She impressed the judges with her inventive dance routine, incorporating unique moves."
Word origin: The adjective 'inventive' originates from the Latin word 'inventivus,' which is derived from 'invenire,' meaning 'to find' or 'to discover.

Spell: juxtaposition (noun) /ˌdʒʌkstəpəˈzɪʃ(ə)n/
Definition: When two things are placed side by side for comparison, often to highlight the contrast.
Example Sentence: "The artist's use of color and texture was in juxtaposition to the monotony of the cityscape."
Word origin: The noun 'juxtaposition' is rooted in Latin and French origins.

Spell: locution (noun) /ləʊˈkjuːʃᵊn/
Definition: A particular way of expressing oneself in speech or writing, often characterized by the use of specific words or phrases.
Example Sentence: "The poet's unique locution evokes deep emotions in readers."
Word origin: The noun 'locution' has its etymological roots in Latin.

Spell: maritime (adjective) /ˈmær ɪˌtaɪm/
Definition: Associated with the sea or seafaring.
Example Sentence: "They explored the maritime history of the coastal town."
Word origin: The adjective 'maritime' has an etymology deeply rooted in its connection to the sea and seafaring.

Spell: mesosphere (noun) /ˈmɛsə(ʊ)sfɪə/
Definition: The layer of the Earth's atmosphere located above the troposphere and below the thermosphere.
Example Sentence: "Unlike the stratosphere, the temperature in the mesosphere decreases with altitude."
Word origin: The noun 'mesosphere' has its etymological origins in Greek.

Spell: metabolism (noun) /məˈtæb əˌlɪz əm/
Definition: The set of biochemical processes that occur within an organism to sustain life.
Example Sentence: "The doctor suspected a slow metabolism as the cause of her weight gain."
Word origin: The noun 'metabolism' is rooted in the Greek word 'metabolē,' which means 'change' or 'transformation.

Spell: methodology (noun) /meθədɒlədʒi/
Definition: The systematic and theoretical principles, practices, and procedures that are used in a particular field of study or research.
Example Sentence: "The team followed a systematic methodology to develop the software."
Word origin: The noun 'methodology' draws its etymological roots from the Greek word 'methodologia,' where 'meta' signifies 'beyond' or 'transcending,' and 'logos' represents 'word,' 'study,' or 'discourse.

Spell: nested (adjective) /ˈnɛstəd/
Definition: Organized or arranged in a series of layers or interconnected structures, with one element enclosed or contained within another.
Example Sentence: "The code had multiple nested loops for complex calculations."
Word origin: The adjective 'nested' is derived from the Old English word 'nest,' which refers to a structure built by birds to house their eggs and raise their young.

Spell: order (noun) /ˈɔr dər/
Definition: A systematic arrangement or sequence of things or events in a particular pattern or manner.
Example Sentence: "m."
Word origin: The noun 'order' has a rich etymology that can be traced back to Latin and Old French.

Spell: paleontology (noun) /ˌpalɪənˈtɒlədʒi/
Definition: The study of prehistoric life and the Earth's history as revealed through the examination of fossils and ancient remains.
Example Sentence: "Paleontologists use various techniques to study fossils, including carbon dating."
Word origin: The noun 'paleontology' has its etymology rooted in Greek.

Spell: partition (noun) /pɑrˈtɪʃ ən/
Definition: A physical divider or barrier that separates one space from another.
Example Sentence: "We used a folding partition to create a temporary room for the meeting."
Word origin: The noun 'partition' draws its etymological roots from the Latin word 'partitio,' which in turn originates from 'partire,' meaning 'to divide' or 'to share.

Spell: permutation (noun) /ˌpəːmjʊˈteɪʃn/
Definition: The arrangement or rearrangement of items, elements, or objects in a specific order or sequence.
Example Sentence: "The software checks every possible permutation of the code."
Word origin: The noun 'permutation' has its roots in Latin, derived from 'permutatio,' which combines 'per-' (completely) and 'mutatio' (change or alteration).

Spell: posit (verb) /ˈpɒzɪt/
Definition: To put forward a theory, idea, or argument, often as a starting point for further discussion or investigation.
Example Sentence: "It is essential to carefully posit the problem before seeking solutions."
Word origin: The verb 'posit' has its origins in Latin, specifically from the word 'ponere,' which means 'to place' or 'to put.

Spell: previous (adjective) /ˈpri vi əs/
Definition: Occurring or existing before a particular time, event, or circumstance.
Example Sentence: "My previous job offered more flexibility but less pay."
Word origin: The adjective 'previous' has its etymological origins in the Latin word 'praevius,' which is a combination of 'prae,' meaning 'before,' and 'via,' meaning 'way' or 'road.

Spell: primary (adjective) /ˈpraɪ mɛr i/
Definition: Of principal or highest importance, significance, or priority.
Example Sentence: "In art, the primary colors are red, blue, and yellow, the basics."
Word origin: The adjective 'primary' has its etymology rooted in the Latin word 'primarius,' which is derived from 'primus,' meaning 'first.

Spell: primordial (adjective) /prʌɪˈmɔːdɪəl/
Definition: Existing from the beginning of time, or in a very early stage of development.
Example Sentence: "The ancient forest held a sense of primordial mystique."
Word origin: The adjective 'primordial' has its etymological origins in the Latin word 'primordialis,' which is derived from 'primordium,' signifying 'beginning' or 'origin.

Spell: principled (adjective) /ˈprɪnsɪpld/
Definition: Characterized by adherence to a set of ethical principles, values, or beliefs.
Example Sentence: "The organization was founded on principled values of equality and justice."
Word origin: The adjective 'principled' has its etymological roots in the word 'principle.

Spell: range (noun) /reɪndʒ/
Definition: A broad spectrum or extent of something, typically indicating the boundaries within which it operates or varies.
Example Sentence: "The singer showcased her vocal range during the performance, hitting high and low notes effortlessly."
Word origin: The noun 'range' has a diverse etymological history.

Spell: realize (verb) /ˈri əˌlaɪz/
Definition: To become aware of something, or to understand it fully.
Example Sentence: "It took me a while to realize that I had forgotten my keys."
Word origin: The verb 'realize' has an interesting etymology rooted in both Latin and Old French.

Spell: rebut (verb) /rɪˈbʌt/
Definition: To contradict or disprove an argument or statement, typically by providing evidence or reasoning to the contrary.
Example Sentence: "It's important to listen to different perspectives and be prepared to rebut them."
Word origin: The verb 'rebut' derives its etymology from the Old French word 'rebouter,' which originated in the 13th century.

Spell: recess (noun) /rɪˈsɛs/
Definition: A designated period of time during which an activity or event is temporarily suspended or a break is taken from the usual routine.
Example Sentence: "Students eagerly lined up to go outside for their recess break."
Word origin: The noun 'recess' traces its etymology to the Latin word 'recessus,' which is the past participle of the verb 'recedere.

Spell: refute (verb) /rɪˈfjuːt/
Definition: To disprove, discredit, or contradict an argument, statement, or claim.
Example Sentence: "It is not enough to disagree; you have to refute the claim with logic."
Word origin: The verb 'refute' has its origins in the Latin word 'refutare.

Spell: regress (verb) /rɪˈɡrɛs/
Definition: To return to an earlier, less advanced state or condition, often as a result of a setback or failure.
Example Sentence: "If the software isn't updated regularly, it could regress to its previous glitches."
Word origin: The verb 'regress' has its origins in Latin, coming from the word 'regredi,' which means 'to go back' or 'to return.

Spell: reject (verb) /rɪˈdʒɛkt/
Definition: To refuse, decline, or dismiss something or someone.
Example Sentence: "After careful consideration, she had to reject the job offer because it didn't align with her long-term goals."
Word origin: The verb 'reject' finds its etymological roots in the Latin language.

Spell: remedy (noun) /ˈrɛmədi/
Definition: A solution, treatment, or course of action taken to alleviate or cure a problem, ailment, difficulty, or undesirable situation.
Example Sentence: "The doctor prescribed antibiotics as a remedy for the infection."
Word origin: The noun 'remedy' has its etymological roots in Latin.

Spell: revise (verb) /rɪˈvaɪz/
Definition: To review, modify, or make corrections to something, typically with the intention of improving or updating it.
Example Sentence: "She's going to revise her essay for any spelling mistakes."
Word origin: The verb 'revise' finds its etymological roots in the Latin word 'revisere,' which is a combination of 're-' (again) and 'visere' (to look at).

Spell: sequential (adjective) /sɪˈkwɛnʃl/
Definition: Pertaining to a logical order or sequence of events, actions, or elements in a particular system, process, or narrative.
Example Sentence: "The book's chapters are arranged in sequential order to follow the plot."
Word origin: The adjective 'sequential' is derived from the Latin word 'sequens,' which is the present participle of 'sequi,' meaning 'to follow.

Spell: simulate (verb) /ˈsɪm yə/
Definition: To imitate or replicate a particular situation, process, or experience in order to understand or explore its characteristics, behavior, or outcomes.
Example Sentence: "The students used a virtual chemistry lab to simulate chemical reactions."
Word origin: The verb 'simulate' derives its origins from the Latin word 'simulare,' which means 'to imitate' or 'to feign.

Spell: stricture (noun) /ˈstrɪktʃə/
Definition: A restriction or limitation on something, often imposed by a rule or regulation.
Example Sentence: "Creative artists often challenge societal strictures."
Word origin: The noun 'stricture' has its etymological origins in the Latin word 'strictura,' which is derived from 'stringere,' meaning 'to tighten' or 'to bind.

Spell: substantiate (verb) /səbˈstanʃɪeɪt/
Definition: To provide evidence or proof to support a claim or assertion.
Example Sentence: "The detective sought to substantiate the suspect's alibi."
Word origin: The verb 'substantiate' has its etymological roots in Latin.

Spell: synchronous (adjective) /ˈsɪŋkrənəs/
Definition: Happening at the same time, in perfect coordination or synchronization with one another.
Example Sentence: "The dancers moved in synchronous rhythm, creating a mesmerizing performance."
Word origin: The adjective 'synchronous' has its etymological roots in Greek.

Spell: timbre (noun) /ˈtɪmbər/
Definition: The unique quality or character of a sound, which distinguishes it from other sounds of the same pitch and volume.
Example Sentence: "Switching to an electric guitar altered its timbre significantly."
Word origin: The noun 'timbre' has its etymological origins in the French word 'timbre,' which originally referred to a bell or a stamp.

Spell: transgression (noun) /tranzˈɡrɛʃn/
Definition: An act or behavior that violates a law, rule, moral code, or societal norm.
Example Sentence: "The CEO's transgression resulted in their termination from the company."
Word origin: The noun 'transgression' has its etymological origins in Latin, particularly from the word 'transgressio,' which is derived from 'transgredi,' meaning 'to step across' or 'to go beyond.

Spell: uniform (adjective) /ˈyu nəˌfɔrm/
Definition: Consistent, unvarying, or unchanging in form, style, or composition.
Example Sentence: "She carefully arranged the cupcakes in a uniform pattern on the tray."
Word origin: The adjective 'uniform' has its origins in the Latin word 'uniformis,' which combines 'uni-' (meaning 'one') and 'formis' (meaning 'form' or 'shape').

Spell: validate (verb) /ˈvalɪdeɪt/
Definition: To prove, make valid, confirm or verify the accuracy or truth of something.
Example Sentence: "The laboratory tests will validate the effectiveness of the new drug."
Word origin: The verb 'validate' has its roots in Latin, specifically from the word 'validus,' which means 'strong' or 'effective.