'ascertain' definitions:

Definition of 'ascertain'

From: WordNet
verb
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" [syn: determine, find, find out, ascertain]
verb
Be careful or certain to do something; make certain of something; "He verified that the valves were closed"; "See that the curtains are closed"; "control the quality of the product" [syn: see, check, insure, see to it, ensure, control, ascertain, assure]
verb
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"; "find out if he speaks Russian"; "Check whether the train leaves on time" [syn: determine, check, find out, see, ascertain, watch, learn]
verb
Learn or discover with certainty

Synonyms of 'ascertain'

From: Moby Thesaurus

Words containing 'ascertain'