Ascertain meaning

What does “ascertain” mean? Definitions, examples, synonyms and opposites.

“ascertain” is a verb with 4 meanings. Its most common meaning is: establish after a calculation, investigation, experiment, survey, or study.

ascertain

establish after a calculation, investigation, experiment, survey, or study
“find the product of two numbers”
“The physicist who found the elusive particle won the Nobel Prize”
Synonymsdetermine find find out
be careful or certain to do something; make certain of something
“He verified that the valves were closed”
“See that the curtains are closed”
Synonymssee check insure see to it ensure control assure
find out, learn, or determine with certainty, usually by making an inquiry or other effort
“I want to see whether she speaks French”
“See whether it works”
Synonymsdetermine check find out see watch learn
learn or discover with certainty

Source: WordNet 3.1, Princeton University