What is another word for ascertain?

Common synonyms for ascertain include see, check, insure, see to it, ensure, control, assure, determine.

What is the past tense of ascertain?

The past tense of ascertain is ascertained.

Words that rhyme with ascertain include main, pain, campaign, train, brain, explain.

/ˌæsɚˈteɪn/verb3 syllables

Ascertain means: be careful or certain to do something; make certain of something.

verb, as in be careful or certain to do something; make certain of something

see, check, insure, see to it, ensure, control, assure, determine, find out, watch, learn, check off, mark, mark off, tick off, tick, verify

verb, as in find out, learn, or determine with certainty, usually by making an inquiry or other effort

verb, as in establish after a calculation, investigation, experiment, survey, or study

also used for ascertain

establish, work out, discern, assess

Includes material from Wiktionary, CC BY-SA 4.0.

verb

be careful or certain to do something; make certain of something“He verified that the valves were closed”

find out, learn, or determine with certainty, usually by making an inquiry or other effort“I want to see whether she speaks French”

establish after a calculation, investigation, experiment, survey, or study“find the product of two numbers”

learn or discover with certainty

Definitions from the Open English WordNet, CC BY 4.0.

one syllable

two syllables

Show 40 near rhymes

Sentences from Tatoeba, CC BY 2.0 FR, credited to their authors.

as a verb