adv. [f. as prec. + -LY2.] In an ascertainable manner; recognizably.
1863. Kinglake, Crimea, I. 335. His notions … of what was plausible and what was ascertainably false.
1872. Liddon, Elem. Relig., i. 25. To despair of knowledge only when knowledge is ascertainably out of reach.
