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Synonyms for prove

verb

justify, substantiate, authenticate, corroborate, testify, explain, attest, show, warrant, uphold, determine, settle, fix, certify, back, sustain, validate, bear out, affirm, confirm, make evident, convince, evidence, be evidence of, witness, declare, testify, betoken, have a case, manifest, demonstrate, document, establish, settle once and for all, (just) go to show*; see also verify.

Antonyms disprove*, break down, disqualify.

See prove in Webster's New World Roget's A-Z Thesaurus II

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