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| Main Entry: | |
| Part of Speech: | verb |
| Definition: | make more forceful, powerful |
| Synonyms: | add, add fuel to fire, anneal, ascend, bolster, brace, build up, buttress, confirm, corroborate, empower, enhance, enlarge, establish, extend, fortify, harden, heighten, increase, intensify, invigorate, justify, make firm, mount, multiply, regenerate, reinforce, rejuvenate, renew, restore, rise, set up, sinew, steel, step up, substantiate, support, sustain, temper, tone, tone up, toughen, wax |
| Antonyms: | break down, hurt, weaken |
| 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: | validate |
| 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: | verify |
| Part of Speech: | verb |
| Definition: | confirm, validate |
| Synonyms: | add up, attest, authenticate, bear out, certify, check, check out, check up, check up on, corroborate, debunk, demonstrate, document, double-check, establish, eye*, eyeball, find out, hold up, justify, make certain, make sure, pan out, peg, prove, settle, size up, size*, stand up, substantiate, support, test, try |
| Antonyms: | discredit, disprove, invalidate |
* = informal/non-formal usage
| Main Entry: | vindicate |
| Part of Speech: | verb |
| Definition: | prove one's innocence |
| Synonyms: | absolve, acquit, advocate, argue, assert, bear out, claim, clear, confute, contend, corroborate, defend, disculpate, disprove, do justice to, establish, exculpate, excuse, exonerate, extenuate, free, free from blame, guard, justify, maintain, plead for, protect, prove, rationalize, refute, rehabilitate, second, shield, substantiate, support, uphold, warrant, whitewash |
| Antonyms: | accuse, blame, convict, punish, sentence |
| Main Entry: | vouch |
| Part of Speech: | verb |
| Definition: | give assurance |
| Synonyms: | act as a witness, affirm, answer for, assert, asseverate, assure, attest to, avert, avow, back, be responsible for, bear testimony, certify, confirm, contend, corroborate, cosign, declare, get behind, give an affidavit, guarantee, maintain, okay*, predicate, profess, prove, put forth, rubber-stamp, say so, sign for, sponsor, stand up for, substantiate, support, swear to, swear up and down, testify, uphold, verify, vow, warrant, witness |
| Antonyms: | deny, disavow, refute, reject, renounce |
* = informal/non-formal usage
| Main Entry: | witness |
| Part of Speech: | verb |
| Definition: | testify; authenticate |
| Synonyms: | affirm, announce, argue, attest, be a witness, bear out, bear witness, bespeak, betoken, certify, confirm, corroborate, countersign, depone, depose, endorse, give evidence, give testimony, indicate, say under oath, sign, stand for, subscribe, vouch for |
| Antonyms: | deny, refute |
| Main Entry: | countersign |
| Part of Speech: | verb |
| Definition: | endorse |
| Synonyms: | authorize, certify, confirm, corroborate, mark, password, seal, sign, signature, watchword |
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
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Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
