| Main Entry: | |
| 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 |
| Main Entry: | adopt |
| Part of Speech: | verb |
| Definition: | choose or take something as one's own |
| Synonyms: | accept, adapt, affiliate, affirm, appropriate, approve, assent, assume, borrow, embrace, endorse, espouse, follow, go down the line, go in for, imitate, maintain, mimic, opt, ratify, seize, select, support, take on, take over, take up, tap, use, utilize |
| Antonyms: | disown, leave alone, reject, repudiate, repulse |
| Main Entry: | affirm |
| Part of Speech: | verb |
| Definition: | declare the truth of something |
| Synonyms: | assert, asseverate, attest, aver, avouch, avow, certify, cinch, clinch, confirm, cross heart, declare, guarantee, have a lock on, ice*, insist, lock up, maintain, nail down, okay, predicate, profess, pronounce, put on ice, ratify, repeat, rubber-stamp, say so, set, state, swear, swear on bible, swear up and down, testify, vouch, witness |
| Antonyms: | deny, negate, nullify, veto |
| Main Entry: | affirmative |
| Part of Speech: | adjective |
| Definition: | being agreeable or assenting |
| Synonyms: | acknowledging, acquiescent, affirmatory, affirming, approving, complying, concurring, confirmative, confirmatory, confirming, consenting, corroborative, endorsing, favorable, positive, ratifying, supporting |
| Antonyms: | dissenting, negative |
| Main Entry: | agreement |
| Part of Speech: | noun |
| Definition: | concurrence |
| Synonyms: | acceding, accession, accommodation, accord, accordance, acknowledging, adjustment, affiliation, affinity, alliance, amity, approving, arbitration, arrangement, assenting, authorizing, bargaining, compatibility, compliance, complying, compromise, concert, concession, concord, concordance, concurring, conformity, congruity, consistency, correspondence, endorsing, granting, harmony, mediation, ratifying, reconciliation, similarity, suitableness, sympathy, understanding, union, unison, verification, verifying |
| Antonyms: | disagreement |
| Main Entry: | approve |
| Part of Speech: | verb |
| Definition: | allow, authorize |
| Synonyms: | accede, accept, accredit, acquiesce, advocate, affirm, agree, assent, authorize, back*, bless*, boost, buy, buy into, certify, charter, concur, confirm, consent, dig*, empower, encourage, endorse, establish, get behind, give go-ahead, go along with, groove*, hats off to, lap up, license, maintain, make law, make valid, mandate, okay, permit, pronounce, push for, ratify, recommend, sanction, seal, second, sign, sign off on, stump for, subscribe to, support, thumbs up, uphold, validate |
| Antonyms: | disallow, disapprove, invalidate, oppose, refuse, reject |
| Main Entry: | attest |
| Part of Speech: | verb |
| Definition: | affirm, vouch for |
| Synonyms: | adjure, announce, argue, assert, asservate, authenticate, aver, bear out, bear witness, certify, confirm, corroborate, countersign, declare, demonstrate, display, exhibit, give evidence, indicate, prove, ratify, seal, show, substantiate, support, sustain, swear, testify, uphold, verify, warrant, witness |
| Antonyms: | deny |
| Main Entry: | authorize |
| Part of Speech: | verb |
| Definition: | permit, allow |
| Synonyms: | affirm, approve, confirm, countenance, endorse, give leave, let, license, qualify, ratify, sanction, suffer, tolerate, warrant |
| Antonyms: | deny, disallow, reject |
| 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 |