prove

1 to show the existence or truth of by evidence the prosecutor used DNA evidence to prove the defendant's guilt Synonyms demonstrate, document, establish, substantiate, validate Related Words back (up), buttress, circumstantiate, corroborate; evidence, evince, record, support, uphold, witness; adduce, attest, authenticate, certify, identify; confirm, sustain, verify, vouch; clinch, nail, settle; confess, depose, testify Near Antonyms challenge, dispute, object; allege, assume, conjecture, guess, presume, surmise, suspect Antonyms disprove, rebut, refute

2 to come to be the new automobile engine design proved impractical Synonyms fall out, pan out, come out, shake out, turn outRelated Words develop, emerge, evolve, germinate, play out, unfold, work out

3 to gain full recognition or acceptance of proved herself a great actress on the Broadway stage Synonyms demonstrate, establish, show, substantiateRelated Words attest, authenticate, bear out, document, evidence, support, sustain, uphold; confirm, corroborate, justify, validate, verifyNear Antonyms confute, discredit, invalidate, rebut, refuteAntonyms disprove