ascertain

Ascertain is a verb that means to find out something. You might have to go to the bank to ascertain if there is any money in your account.

This is a formal word that often applies to discovering the facts or truth about something through examination or experimentation. Information that is ascertained is certain beyond a doubt. If you want a less formal synonym, use discover.

Definitions of ascertain
  1. verb
    learn or discover with certainty
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    types:
    price
    ascertain or learn the price of
    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
  2. verb
    establish after a calculation, investigation, experiment, survey, or study
    synonyms: determine, find, find out
    check, determine, find out, learn, see, watch
    find out, learn, or determine with certainty, usually by making an inquiry or other effort
    discover, find
    make a discovery, make a new finding
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    types:
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    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
    recount
    count again
    miscount
    count wrongly
    census
    conduct a census
    add, add together, add up, sum, sum up, summate, tally, tot, tot up, total, tote up
    determine the sum of
    acquire
    locate (a moving entity) by means of a tracking system such as radar
    radiolocate
    locate by means of radar
    map
    locate within a specific region of a chromosome in relation to known DNA or gene sequences
    localise, localize, place
    identify the location or place of
    base
    situate as a center of operations
  3. verb
    find out, learn, or determine with certainty, usually by making an inquiry or other effort
    synonyms: check, determine, find out, learn, see, watch
    assure, check, control, ensure, insure, see, see to it
    be careful or certain to do something; make certain of something
    determine, find, find out
    establish after a calculation, investigation, experiment, survey, or study
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    types:
    test
    determine the presence or properties of (a substance)
  4. verb
    be careful or certain to do something; make certain of something
    synonyms: assure, check, control, ensure, insure, see, see to it
    check, check off, mark, mark off, tick, tick off
    put a check mark on or near or next to
    check
    verify by consulting a source or authority
    check, determine, find out, learn, see, watch
    find out, learn, or determine with certainty, usually by making an inquiry or other effort
    control, verify
    check or regulate (a scientific experiment) by conducting a parallel experiment or comparing with another standard
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    types:
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    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
    type of:
    verify
    confirm the truth of
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