Ascertainment

to find out definitely; learn with certainty or -ssurance; determine:
to ascertain the facts.
archaic. to make certain, clear, or definitely known.
historical examples

so far concerning the ascertainment of truth alone, in intangible regions of inquiry.
life and matter oliver lodge

among these is the ascertainment of the solidity of the globe.
a popular history of astronomy during the nineteenth century agnes m. (agnes mary) clerke

its major significance derives from its ascertainment of an effective alternative to monarchy.
the civilization of illiteracy mihai nadin

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

the ascertainment of this man’s character and views seemed to be, in the first place, necessary.
wieland; or the transformation charles brockden brown

modern physiology sets forth as its chief ends: firstly, the ascertainment of the facts and conditions of cell-life in general.
the advance of science in the last half-century t.h. (thomas henry) huxley

finally: the ascertainment of the sanct-ty of color is not left to human sagacity.
modern painters, volume iv (of v) john ruskin

it would not be easy to construct a system more repugnant to rational methods for the ascertainment of truth.
a history of the inquisition of spain; vol. 2, henry charles lea

accordingly, let us now attempt such -n-lysis and ascertainment and exposure.
principles of political economy arthur latham perry

ascertainment of the many who perished was never had; neither did closest inquiry discover the origin of the fire.
the prince of india, volume ii lew. wallace

verb (transitive)
to determine or discover definitely
(archaic) to make certain
v.

early 15c., “to inform, to give -ssurance,” from anglo-french acerteiner, old french acertener “to -ssure, 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.