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| Main Entry: | |
| Part of Speech: | verb |
| Definition: | ascertain the truth, authenticity of something |
| Synonyms: | John Hancock, approve, authenticate, authorize, bear out, certify, confirm, constitute, corroborate, endorse, give stamp of approval, give the go-ahead, give the green light, give the nod, justify, legalize, legitimize, make binding, make legal, make stick, okay*, ratify, rubber-stamp, sanction, set seal on, sign off on, substantiate, verify |
| Antonyms: | refuse, reject, veto |
* = informal/non-formal usage
| Main Entry: | authenticate |
| Part of Speech: | verb |
| Definition: | establish as real, genuine |
| Synonyms: | accredit, attest, authorize, bear out, certify, confirm, corroborate, endorse, guarantee, justify, prove, substantiate, validate, verify, vouch, warrant |
| Main Entry: | bear out |
| Part of Speech: | verb |
| Definition: | substantiate |
| Synonyms: | authenticate, confirm, corroborate, endorse, justify, prove, substantiate, support, uphold, validate, verify, vindicate |
| Main Entry: | certify |
| Part of Speech: | verb |
| Definition: | declare as true |
| Synonyms: | accredit, approve, ascertain, assure, attest, authenticate, authorize, aver, avow, commission, confirm, corroborate, endorse, guarantee, license, notify, okay, profess, reassure, rubber-stamp, sanction, show, state, swear, testify, validate, verify, vouch, witness |
| Antonyms: | contradict, counteract, deny, disavow, discredit, invalidate, reject, repudiate |
| Main Entry: | corroborate |
| Part of Speech: | verb |
| Definition: | back up information, story |
| Synonyms: | approve, authenticate, bear out, certify, check on, check out, check up, confirm, declare true, document, double check, endorse, establish, give nod, justify, okay, prove, ratify, rubber-stamp, strengthen, substantiate, support, sustain, validate, verify |
| Notes: | corroborate is used in a narrower context, usually by way of providing support for testimony in a legal proceeding; confirm is to lend support to a much wider array of things |
| Antonyms: | contradict, deny, disallow, disclaim, refute, reject |
| Main Entry: | declare |
| Part of Speech: | verb |
| Definition: | make known clearly or officially |
| Synonyms: | acknowledge, advance, advocate, affirm, allegate, allege, announce, argue, assert, asservate, attest, aver, avow, be positive, blaze, bring forward, certify, cite, claim, confess, confirm, contend, convey, demonstrate, disclose, enunciate, give out, inform, insist, maintain, manifest, notify, pass, proclaim, profess, promulgate, pronounce, propound, publish, put forward, reaffirm, reassert, render, repeat, reveal, set forth, show, sound, state, stress, swear, tell, testify, validate, vouch |
| Antonyms: | deny, disavow, retract |
| Main Entry: | demonstrate |
| Part of Speech: | verb |
| Definition: | display, show |
| Synonyms: | authenticate, determine, establish, evidence, evince, exhibit, expose, flaunt, indicate, make evident, make out, manifest, prove, roll out, show and tell, test, testify to, trot out, try, validate |
| Antonyms: | conceal, hide |
| Main Entry: | establish |
| Part of Speech: | verb |
| Definition: | authenticate; demonstrate |
| Synonyms: | ascertain, authorize, base, certify, circumstantiate, confirm, constitute, corroborate, decree, determine, disambiguate, discover, enact, find out, formulate, learn, legislate, make, make out, predicate, prescribe, prove, ratify, rest, show, stay, substantiate, validate, verify |
| Antonyms: | confuse, disprove, invalidate |
| Main Entry: | justify |
| Part of Speech: | verb |
| Definition: | legitimize, substantiate |
| Synonyms: | absolve, acquit, advocate, alibi, answer for, apologize for, approve, argue for, assert, be answerable for, bear out, brief, claim, clear, condone, confirm, contend, cop a plea, countenance, crawl, defend, do justice to, establish, exculpate, excuse, exonerate, explain, favor, legalize, maintain, make allowances, make good, palliate, pardon, plead, rationalize, rebut, show cause, speak in favor, square, stand up for, support, sustain, uphold, validate, verify, vindicate, warrant |
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
