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attest - 20 thesaurus results
| Main Entry: | attest |
| Part of Speech: | verb |
| Definition: | affirm, vouch for |
| Synonyms: | adjure, announce, argue, assert, authenticate, aver, bear out, bear witness, certify, confirm, corroborate, countersign, declare, demonstrate, display, exhibit, indicate, prove, ratify, seal, show, substantiate, support, sustain, swear, testify, uphold, verify, warrant, witness, asservate, give evidence |
| Antonyms: | deny |
| Main Entry: | affirm |
| Part of Speech: | verb |
| Definition: | declare the truth of something |
| Synonyms: | assert, asseverate, attest, aver, avow, certify, cinch, clinch, confirm, declare, guarantee, ice*, insist, maintain, nail down*, okay, predicate, profess, pronounce, ratify, repeat, set, state, swear, testify, vouch, witness, avouch, cross heart, have a lock on, lock up, put on ice, rubber-stamp, say so, swear on bible, swear up and down |
| Antonyms: | deny, negate, nullify, veto |
* = informal/non-formal usage
| Main Entry: | assert |
| Part of Speech: | verb |
| Definition: | insist, declare, maintain |
| Synonyms: | advance, affirm, allege, argue, asservate, attest, aver, avouch, avow, butt in*, cite, claim, contend, defend, horn in, justify, mouth off*, pop off*, predicate, press, proclaim, profess, pronounce, protest, put forward, say, shoot off one's mouth, shoot one's wad, stand up for, state, stress, swear, uphold, vindicate, warrant |
| Antonyms: | deny, reject |
* = 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 witness |
| Part of Speech: | verb |
| Definition: | vouch for |
| Synonyms: | attest, confirm, corroborate, demonstrate, depose, evidence, evince, prove, show, testify, testify to |
| 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, sanction, show, state, swear, testify, validate, verify, vouch, witness, rubber-stamp |
| Antonyms: | contradict, counteract, deny, disavow, discredit, invalidate, reject, repudiate |
| Main Entry: | confess |
| Part of Speech: | verb |
| Definition: | admit, confirm |
| Synonyms: | acknowledge, affirm, allow, assert, attest, aver, avow, blow, blurt out, chirp, clue in, come clean*, come out, concede, confide, declare, disclose, divulge, dump on, evince, finger*, fink*, grant, humble oneself, leak*, let on*, level with, make clean breast of, manifest, narrate, open one's heart, own, own up, post, profess, prove, rat on, recognize, relate, reveal, sing*, snitch*, sound off, spill the beans*, spit out, squeal*, tip hand, unload*, vent, weasel* |
| Antonyms: | conceal, deny, disavow, disown, hide, mask, repudiate, secrete |
* = informal/non-formal usage
| Main Entry: | evidence |
| Part of Speech: | verb |
| Definition: | prove |
| Synonyms: | attest, bespeak, betoken, confirm, connote, demonstrate, denote, designate, display, evince, exhibit, expose, illustrate, indicate, manifest, mark, proclaim, reveal, show, signify, witness, ostend, testify to |
| Notes: | evidence (from Latin e- 'out' + videre 'to see') is information that helps form a conclusion; proof is factual information that verifies a conclusion |
| Antonyms: | contradict, disprove, refute |
| Main Entry: | evince |
| Part of Speech: | verb |
| Definition: | manifest |
| Synonyms: | attest, declare, demonstrate, disclose, display, furnish, indicate, prove, reveal, show |
| Main Entry: | guarantee |
| Part of Speech: | verb |
| Definition: | pledge, promise |
| Synonyms: | affirm, angel, answer for, assure, attest, aver, back, bankroll, certify, confirm, endorse, ensure, evidence, evince, guaranty, insure, juice*, maintain, mortgage, protect, prove, reassure, secure, stake, support, swear, testify, vouch for, wager, warrant, witness, be surety for, bind oneself, cosign, get behind*, give bond, grubstake, make bail, make certain, make sure, pick up the check, pick up the tab, sign for, stand behind*, stand up for* |
| Antonyms: | break |
* = informal/non-formal usage
| Main Entry: | indicate |
| Part of Speech: | verb |
| Definition: | signify, display |
| Synonyms: | add up to, announce, argue, attest, augur, bespeak, betoken, card, connote, demonstrate, denote, designate, evidence, evince, express, finger, hint, illustrate, imply, import, intimate, make, manifest, mark, mean, name, peg*, pinpoint*, point out, prove, read, record, register, reveal, show, sign, signal, slot, specify, suggest, symbolize, tab, tag, testify, witness, be symptomatic, button down, pin down, point to |
| Antonyms: | conceal, hide, mislead |
* = informal/non-formal usage
| Main Entry: | notarize |
| Part of Speech: | verb |
| Definition: | certify |
| Synonyms: | attest, authenticate, document, endorse, register, swear, validate, verify, witness, sign and seal |
| Main Entry: | protest |
| Part of Speech: | verb |
| Definition: | complain, disapprove; argue against |
| Synonyms: | affirm, assert, asseverate, attest, avow, blast*, buck, combat, contend, declare, demonstrate, demur, disagree, except, expostulate, fight, holler, howl, insist, kick*, maintain, object, oppose, predicate, profess, rebel, remonstrate, resist, revolt, squawk*, testify, thumbs down, avouch, back-talk, be against, be displeased by, constate, cry out, inveigh against, make a stink, put up a fight, say no, sound off, take exception |
| Antonyms: | accept, approve, praise |
* = informal/non-formal usage
| Main Entry: | prove |
| Part of Speech: | verb |
| Definition: | establish facts; put to a test |
| Synonyms: | affirm, analyze, ascertain, assay, attest, authenticate, back, bear out, certify, check, confirm, convince, corroborate, declare, demonstrate, determine, document, end up, evidence, evince, examine, experiment, explain, find, fix, justify, manifest, pan out*, result, settle, show, substantiate, sustain, test, testify, trial, try, turn out, uphold, validate, verify, warrant, witness, add up, have a case, make evident, show clearly, show once and for all |
| Antonyms: | discredit, disprove, theorize, hypothesize |
* = informal/non-formal usage
| Main Entry: | quote |
| Part of Speech: | verb |
| Definition: | repeat something spoken, written by another |
| Synonyms: | adduce, attest, cite, detail, excerpt, extract, instance, name, paraphrase, parrot, proclaim, recall, recite, recollect, reference, refer to, retell |
| Main Entry: | testify |
| Part of Speech: | verb |
| Definition: | vouch for; give testimony |
| Synonyms: | affirm, announce, argue, assert, attest, bear witness, bespeak, betoken, certify, corroborate, cross one's heart, declare, demonstrate, depone, depose, evince, give evidence, give facts, give one's word, indicate, make evident, mount, point to, prove, say so, show, sing*, stand up for, state, swear, swear to, swear up and down, token, warrant, witness |
* = informal/non-formal usage
| Main Entry: | verify |
| Part of Speech: | verb |
| Definition: | confirm, validate |
| Synonyms: | attest, authenticate, bear out, certify, check, check out, corroborate, debunk, demonstrate, document, establish, eye*, find out, hold up, justify, pan out*, peg*, prove, settle, size*, substantiate, support, test, try, add up, check up, check up on, double-check, eyeball, make certain, make sure, size up*, stand up* |
| Antonyms: | discredit, disprove, invalidate |
* = informal/non-formal usage
| Main Entry: | warrant |
| Part of Speech: | verb |
| Definition: | guarantee, justify, authorize |
| Synonyms: | affirm, answer for, approve, argue, assert, assure, attest, back, bear out, call for, certify, claim, commission, contend, declare, defend, delegate, demand, empower, endorse, ensure, entitle, excuse, explain, guaranty, insure, license, maintain, necessitate, permit, pledge, privilege, promise, require, sanction, secure, sponsor, state, stipulate, swear, undertake, underwrite, uphold, vindicate, vouch for, vow, avouch, give grounds for, stand behind, take an oath |
| Main Entry: | vouch for |
| Part of Speech: | verb |
| Definition: | be a witness for |
| Synonyms: | attest, guarantee, vouch, assert under oath, swear to |
| Main Entry: | confirm |
| Part of Speech: | verb |
| Definition: | ratify, validate, prove |
| Synonyms: | affirm, approve, attest, authenticate, back, bear out, bless, buy, certify, check, check out, corroborate, debunk, endorse, establish, explain, justify, okay, sanction, settle, sign, subscribe, substantiate, support, thumbs up*, uphold, verify, vouch, warrant, witness, circumstantiate, double-check, give green light, give high sign, give stamp of approval, give the go-ahead, give the nod, lap up, make good, make sure, rubber-stamp, sign off on, size up, underpin |
| Antonyms: | annul, cancel, contradict, destroy, disprove, invalidate, oppose, veto, void |
* = informal/non-formal usage
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2009 by the Philip Lief Group.
Cite This Source
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2009 by the Philip Lief Group.
Cite This Source
Copyright © 2009, Dictionary.com, LLC. All rights reserved.
