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| Main Entry: | |
| Part of Speech: | verb |
| Definition: | certify |
| Synonyms: | attest, authenticate, document, endorse, register, sign and seal, swear, validate, verify, witness |
| Main Entry: | prove |
| Part of Speech: | verb |
| Definition: | establish facts; put to a test |
| Synonyms: | add up, 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, have a case, justify, make evident, manifest, pan out, result, settle, show, show clearly, show once and for all, substantiate, sustain, test, testify, trial, try, turn out, uphold, validate, verify, warrant, witness |
| Antonyms: | discredit, disprove, hypothesize, theorize |
| Main Entry: | ratify |
| Part of Speech: | verb |
| Definition: | affirm, authorize |
| Synonyms: | accredit, approve, authenticate, bear out, bind, bless, certify, commission, confirm, consent, corroborate, endorse, establish, give stamp of approval, go for, license, okay*, rubber stamp, sanction, sign, substantiate, uphold, validate |
| Antonyms: | deny, disaffirm, disagree, renounce, revoke, veto |
* = informal/non-formal usage
| Main Entry: | seal |
| Part of Speech: | verb |
| Definition: | ensure, finalize |
| Synonyms: | assure, attest, authenticate, clinch, conclude, confirm, consummate, establish, ratify, settle, shake hands on, stamp, validate |
| Antonyms: | delay, put off, refuse |
| Main Entry: | substantiate |
| Part of Speech: | verb |
| Definition: | back up a statement, idea |
| Synonyms: | actualize, affirm, approve, attest to, authenticate, bear out, check out, check up, complete, confirm, corroborate, debunk, demonstrate, establish, incarnate, justify, manifest, materialize, objectify, personify, prove, ratify, realize, reify, support, test, try, try on, try out, validate, verify |
| Antonyms: | break, disprove |
| Main Entry: | sustain |
| Part of Speech: | verb |
| Definition: | keep up, maintain |
| Synonyms: | aid, approve, assist, back, bankroll, bear, befriend, bolster, brace, buoy, buttress, carry, comfort, confirm, continue, convey, defend, endorse, favor, feed, foster, go for, help, keep alive, keep from falling, keep going, lend a hand, lug, nourish, nurse, nurture, pack, preserve, prolong, prop, protract, provide for, ratify, relieve, save, shore up, stand by, stick up for, supply, support, tote, transfer, transport, uphold, validate, verify |
| Antonyms: | discontinue, halt, stop |
| Main Entry: | test |
| Part of Speech: | verb |
| Definition: | examine, quiz |
| Synonyms: | analyze, assay, assess, check, confirm, demonstrate, experiment, experimentalize, give a tryout, inquire, investigate, look into, make a trial run, match up, prove, prove out, put to the test, question, run idea by someone, run it up a flagpole, see how it flies, see how the wind blows, send up a balloon, shake down, stack up, substantiate, try, try on, try on for size, try out, validate, verify |
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.
