acceptable, accordingly, adequacy, adequate, analogous, applicable, apposite, appropriate, apropos, becoming, befitting, commensurate, congruent, decent, effective, efficient, elegant, equivalent, fitting, germane, improper, mantra, monastic, opportune, palatable, pertinent, piety, proper, prosaic, retro, suitable, suited, systematic, topical, understandable, unisex, untenable, utilitarian, vintage