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| Main Entry: |
ascertain
 [as-er-teyn] 
|
| 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 |
* = informal/non-formal usage
| Main Entry: | certain |
| Part of Speech: | adjective |
| Definition: | undoubtable, valid |
| Synonyms: | absolute, ascertained, authoritative, clear, conclusive, confirmable, definite, demonstrable, destined, determined, establishable, evident, firm, fixed, genuine, guaranteed, having down pat, in the bag, incontrovertible, indubitable, infallible, irrefutable, known, on ice, plain, positive, predestined, provable, real, reliable, safe, salted away, set, sound, supreme, sure, sure thing, true, trustworthy, unambiguous, undeniable, undoubted, unequivocal, unerring, unmistakable, verifiable |
| Antonyms: | doubtful, dubious, faltering, questionable, uncertain, unreliable, unsure |
| 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 |
Example Sentences
- The extent of damages cannot be ascertained at this time, but it is said to be large.
- So far as can be ascertained there were only five persons killed by the late explosion in our city.
- The loss of life cannot be correctly ascertained as yet, but it will be near one hundred.
| Main Entry: | check |
| Part of Speech: | verb |
| Definition: | inspect, examine |
| Synonyms: | analyze, ascertain, audit, balance account, candle, case, compare, confirm, correct, count, enquire about, eyeball, find out, frisk, go through, investigate, keep account, look at, look over, look see, make sure, monitor, note, overlook, probe, prove, quiz, review, scout out, scrutinize, study, take stock, tell, test, try, verify |
| Main Entry: | define |
| Part of Speech: | verb |
| Definition: | give description |
| Synonyms: | ascertain, assign, call a spade a spade, characterize, construe, decide, delineate, denominate, denote, describe, designate, detail, determine, dub, elucidate, entitle, etch, exemplify, explain, expound, formalize, illustrate, interpret, label, lay it out, nail it down, name, prescribe, represent, specify, spell out, tag, translate |
| Antonyms: | confuse, distort, tangle, twist |
| Main Entry: | detect |
| Part of Speech: | verb |
| Definition: | discover |
| Synonyms: | ascertain, catch, descry, dig up, disclose, distinguish, encounter, espy, expose, find, hit on, hit upon, identify, meet, meet with, nose out, note, notice, observe, recognize, reveal, scent, see, smell out, smoke out, spot, stumble on, track down, tumble into, turn up, uncover, unmask, wise up to |
| Antonyms: | miss, not see, overlook, pass by |
| Main Entry: | determine |
| Part of Speech: | verb |
| Definition: | discover, find out |
| Synonyms: | add up to, ascertain, boil down to, catch on, certify, check, demonstrate, detect, divine, establish, figure, figure out, have a hunch, hear, learn, make out, see, size up, tell, tumble, unearth, verify, work out |
| Antonyms: | miss, overlook |
| Main Entry: | discern |
| Part of Speech: | verb |
| Definition: | catch sight of; recognize and understand |
| Synonyms: | anticipate, apprehend, ascertain, behold, descry, detect, determine, difference, differentiate, discover, discrepate, discriminate, distinguish, divine, espy, extricate, figure out, find out, focus, foresee, get a load of, get the picture, get wise to, judge, know, make distinction, make out, note, notice, observe, perceive, pick out, read, remark, rubberneck, secern, see the light, see through, separate, severalize, spot, take in, view |
| Antonyms: | disregard, neglect, overlook |
| Main Entry: | discover |
| Part of Speech: | verb |
| Definition: | find, uncover |
| Synonyms: | ascertain, bring to light, catch, come across, come upon, conceive, contrive, debunk, design, detect, determine, devise, dig up, discern, disclose, distinguish, elicit, espy, explore, ferret out, get wind of, get wise to, glimpse, hear, identify, invent, learn, light upon, locate, look up, nose out, notice, observe, originate, perceive, pick up on, pioneer, realize, recognize, reveal, see, sense, smoke out, spot, think of, turn up, unearth |
| Antonyms: | lose, miss, pass by |
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2012 by the Philip Lief Group.
Cite This Source
Copyright © 2012 by the Philip Lief Group.
Cite This Source
Dictionary.com, LLC. Copyright © 2012. All rights reserved.
