ascertain
1. [ verb ] after a calculation, investigation, experiment, survey, or study
Synonyms: determine find find_out
Examples:

"find the product of two numbers" "The physicist who found the elusive particle won the Nobel Prize"

Related terms: count situate refract admeasure gauge translate sequence redetermine rectify discover determine decision determination
2. [ verb ] be careful or certain to do something; make certain of something
Synonyms: see insure check assure see_to_it ensure control
Examples:

"He verified that the valves were closed" "See that the curtains are closed" "control the quality of the product"

Related terms: verify cover proofread cross-check double-check control card spot-check cinch determine control check check
3. [ verb ] find out, learn, or determine with certainty, usually by making an inquiry or other effort
Synonyms: see find_out check watch learn determine
Examples:

"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"

Related terms: test determine see determination check
4. [ verb ] give evidence
Synonyms: tell evidence demonstrate
Examples:

"he was telling on all his former colleague"

Related terms: confirm inform recognize evidence
5. [ verb ] learn or discover with certainty
Related terms: learn price
Similar spelling:   ascertained
  assertion
  asserting
  assert
  assertive
  assort
  assortment
  assertable
  assertively