ascertain

ascertain is defined in Webster's Unabridged Dictionary (1913) with 2 senses. The full text of each entry is reproduced verbatim below.

Definitions

1.To make (a thing) certain to the mind; to free from obscurity, doubt, or change; to make sure of; to fix; to determine. [Archaic] The divine law . . . ascertaineth the truth. Hooker. The very deferring [of his execution] shall increase and ascertain the condemnation. Jer. Taylor. The ministry, in order to ascertain a majority . . . persuaded the queen to create twelve new peers. Smollett. The mildness and precision of their laws ascertained the rule and measure of taxation. Gibbon.
2.To find out or learn for a certainty, by trial, examination, or experiment; to get to know; as, to ascertain the weight of a commodity, or the purity of a metal. He was there only for the purpose of ascertaining whether a descent on England was practicable. Macaulay.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

Definitions: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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