verb (used with object)
- ascension day,
Origin of ascertain
Examples from the Web for ascertains
In the one range it examines and ascertains the facts and laws of man's moral nature.Theoretical Ethics|Milton Valentine
He first ascertains what is according to the rule, and then follows it as nearly as he is able.The Intellectual Life|=Philip Gilbert Hamerton
Given a certain specimen, he first ascertains the knife, second the color of the paper.The Die Varieties of the Nesbitt Series of United States Envelopes|Victor M. Berthold
Rigoletto has no immediate need of him, but ascertains where he can be found.The Complete Opera Book|Gustav Kobb
The third ascertains our rights as to the fishery, and puts them upon the same footing that they were before the war.
Word Origin for ascertain
early 15c., "to inform, to give assurance," from Anglo-French acerteiner, Old French acertener "to assure, certify" (13c.), from a "to" (see ad-) + certain "certain" (see certain). Modern meaning of "find out for sure by experiment or investigation" is first attested 1794. Related: Ascertained; ascertaining.