It is only bit by bit that one ascertains the truth in affairs like these.
Rigoletto has no immediate need of him, but ascertains where he can be found.
It establishes a difference between science, which ascertains principles, and art, which applies them.
He first ascertains what is according to the rule, and then follows it as nearly as he is able.
He ascertains its leaf-food; which it eats promisingly; all goes on encouragingly.
As already mentioned, David Hirsch ascertains that 97% of human activity is concept free.
For one's own dear self, one ascertains and remembers everything.
It is long after dark before he ascertains his bearings, and succeeds in massing his division where it is needed.
The chairman regulates the proceedings of the Board, and ascertains its resolutions.
The number of threads visible in this perforation, ascertains the number of threads in the standard measure of the reed.
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.