ascertain

Verb
  1. Establish after a calculation, investigation, experiment, survey, or study (synset 200920843)
    "find the product of two numbers"; "The physicist who found the elusive particle won the Nobel Prize"
    subtypes:
    • gauge - determine the capacity, volume, or contents of by measurement and calculation
    • translate - determine the amino-acid sequence of a protein during its synthesis by using information on the messenger RNA
    • rectify - math: determine the length of
    • redetermine - fix, find, or establish again
    • sequence - determine the order of constituents in
    • refract - determine the refracting power of (a lens)
    • count, enumerate, number, numerate - determine the number or amount of
    • admeasure - determine the quantity of someone's share
    • locate, situate - determine or indicate the place, site, or limits of, as if by an instrument or by a survey
    same as: determine, find, find out
    verb group:
  2. Be careful or certain to do something;
    Make certain of something (synset 200664507)
    "He verified that the valves were closed"; "See that the curtains are closed"; "control the quality of the product"
    is a type of: verify - confirm the truth of
    subtypes:
    • proof, proofread - read for errors
    • control - verify by using a duplicate register for comparison
    • double-check - check once more to be absolutely sure
    • cross-check - check out conflicting sources; crosscheck facts, for example
    • cinch - make sure of
    • card - ask someone for identification to determine whether he or she is old enough to consume liquor
    • spot-check - pick out random samples for examination in order to ensure high quality
    • cover - maintain a check on; especially by patrolling
    same as: assure, check, control, ensure, insure, see, see to it
    verb group:
  3. Find out, learn, or determine with certainty, usually by making an inquiry or other effort (synset 200922307)
    "I want to see whether she speaks French"; "See whether it works"; "find out if he speaks Russian"; "Check whether the train leaves on time"
    subtypes: test - determine the presence or properties of (a substance)
    same as: check, determine, find out, learn, see, watch
    verb group:
  4. Learn or discover with certainty (synset 200723226)
    is a type of: discover, find out, get a line, get wind, get word, hear, learn, pick up, see - get to know or become aware of, usually accidentally
    subtypes: price - ascertain or learn the price of

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