to make different in some particular, as size, style, course, or the like; modify

to alter a coat; to alter a will; to alter course.

to castrate or spay.

to change; become different or modified.

verb

continue , fix , keep , let stand , maintain , preserve , remain , retain , sustain

verb

adapt , adjust , amend , change , convert , cook , correct mid-course , develop , dial back , diversify , doctor , fine tune , make different , metamorphose , modify , mutate , phony up , recalibrate , recast , reconstruct , refashion , reform , remodel , renovate , reshape , revamp , revise , shift , transform , transmute , turn , vary , caponize , castrate , desexualize , emasculate , fix , geld , mutilate , neuter , spay , unsex , (colloq.) geld , commute , ego , falsify , metastasize , modulate , redo , reset , swerve , tamper , transfigure , transmogrify