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| Main Entry: | |
| 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: | confirm |
| Part of Speech: | verb |
| Definition: | ratify, validate, prove |
| Synonyms: | affirm, approve, attest, authenticate, back, bear out, bless, buy, certify, check, check out, circumstantiate, corroborate, debunk, double-check, endorse, establish, explain, give green light, give high sign, give stamp of approval, give the go-ahead, give the nod, justify, lap up, make good, make sure, okay, rubber-stamp, sanction, settle, sign, sign off on, size up, subscribe, substantiate, support, thumbs up, underpin, uphold, verify, vouch, warrant, witness |
| 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: | annul, cancel, contradict, destroy, disprove, invalidate, oppose, veto, void |
| 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: | 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: | endorse |
| Part of Speech: | verb |
| Definition: | support, authorize |
| Synonyms: | accredit, advocate, affirm, approve, attest, authenticate, back, back up*, bless, boost, certify, champion, commend, confirm, countenance, defend, favor, give a boost to, give green light, give one's word, give the go-ahead, give the nod, go along with, go to bat for, go with, guarantee, lend one's name to, okay, praise, push, ratify, recommend, rubber-stamp, sanction, second, stand behind, stand up for, stump for, subscribe to, sustain, underwrite, uphold, vouch for, warrant, witness |
| Antonyms: | censure, disapprove, oppose, protest, reject, repel, unauthorize |
* = informal/non-formal usage
| Main Entry: | endorse |
| Part of Speech: | verb |
| Definition: | countersign a check |
| Synonyms: | add one's name to, authenticate, autograph, cosign, notarize, put John Hancock on, put signature on, rubber-stamp, say amen to, sign, sign off on, sign on dotted line, subscribe, superscribe, undersign, underwrite |
| Main Entry: | notarize |
| Part of Speech: | verb |
| Definition: | certify |
| Synonyms: | attest, authenticate, document, endorse, register, sign and seal, swear, validate, verify, witness |
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.
