abrade, alleviate, ameliorate, amend, botch, calibrate, conditioned, correct, defective, disrepair, elevate, emend, enhance, enhancement, enrich, eradicate, expunge, improve, invigorate, overhaul, rectification, rectify, redress, reform, rejuvenate, remedial, remediate, replenish, revamp, revise, revitalize, salutary, salvage, slapdash, slump, soften, solidify, tinker, upkeep