verb (used with object)
Origin of ascertain
Examples from the Web for ascertainment
In fact no test for its ascertainment, known to the sense or experience of the Committee, was omitted.
Experiment, the great instrument for the ascertainment of truth in physical science, answers this question for us.On the Study of Zoology|Thomas H. Huxley
Its major significance derives from its ascertainment of an effective alternative to monarchy.The Civilization of Illiteracy|Mihai Nadin
We are all supposed to make the ascertainment of the truth our chief aim, but we do not all take the same trouble to attain it.
But these facts have their causes; and the ascertainment of these causes is the doctrine of Ætiology.Lay Sermons, Addresses and Reviews|Thomas Henry Huxley
British Dictionary definitions for ascertainment
Word Origin for ascertain
Word Origin and History for ascertainment
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.