Breadcrumb Home > Thesaurus > T Synonyms of testify Find synonyms for: Verb 1. testify, attest, take the stand, bear witness, declare usage: give testimony in a court of law 2. testify, bear witness, prove, evidence, show, inform usage: provide evidence for; "The blood test showed that he was the father"; "Her behavior testified to her incompetence" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of testify (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: spurious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language