Penetration Pen"e*tra`tion, n. [L. penetratio: cf. F. p['e]n['e]tration.] 1. The act or process of penetrating, piercing, or entering; also, the act of mentally penetrating into, or comprehending, anything difficult. [1913 Webster]

And to each in ward part, With gentle penetration, though unseen, Shoots invisible virtue even to the deep. --Milton. [1913 Webster]

A penetration into the difficulties of algebra. --Watts. [1913 Webster]

2. Acuteness; insight; sharp discoverment; sagacity; as, a person of singular penetration. --Walpole. [1913 Webster]

Syn: Discernment; sagacity; acuteness; sharpness; discrimination. See {Discernment}, and {Sagacity}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.