Prove synonyms such as bear out, attest, and authenticate. Prove is a verb, and its antonyms are disprove and refute. Additionally, here are 25 synonyms, related words, and verbs for prove.
attest, authenticate, bear out, certify, confirm, corroborate, demonstrate, demonstrate the truth of, determine, document, establish evidence, evince, give substance to, manifest, produce/submit evidence, produce/submit proof, ratify, show, show beyond doubt, show to be true, substantiate, validate, verify, and witness to.