| Main Entry: | ascertain |
| Part of Speech: | verb |
| Definition: | make sure |
Synonyms: |
catch on, check, check out*, check up on, confirm, determine, dig*, discover, divine, double-check, establish, eye*, eyeball, find out, fix, get down cold, get down pat, get hold of, get it down, get the hang of, identify, learn, learn the ropes, look-see, make certain, make sure, peg, pick up on, pick up*, read, see, settle, size, size up, tell, verify |
| 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: | reiterate |
| Part of Speech: | verb |
| Definition: | say or do again |
Synonyms: |
come again, ditto*, double-check, echo, go over again, ingeminate, iterate, play back, recap, recapitulate, recheck, rehash, renew, repeat, reprise, resay, restate, retell, rewarn, say again |
Antonyms: |
take back |
| 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 |