ascertain

[ as-er-teyn ]
/ ˌæs ərˈteɪn /

verb (used with object)

to find out definitely; learn with certainty or assurance; determine: to ascertain the facts.
Archaic. to make certain, clear, or definitely known.

Origin of ascertain

1400–50; late Middle English, variant of assertain, acertain < Middle French acertain- (tonic stem of acertener to make certain), equivalent to a- a-5 + certain certain

synonym study for ascertain

1. See learn.

OTHER WORDS FROM ascertain

Example sentences from the Web for ascertainable

British Dictionary definitions for ascertainable

ascertain
/ (ˌæsəˈteɪn) /

verb (tr)

to determine or discover definitely
archaic to make certain

Derived forms of ascertain

ascertainable, adjective ascertainably, adverb ascertainment, noun

Word Origin for ascertain

C15: from Old French acertener to make certain