n. [ L. penetratio: cf. F. pénétration. ] 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 ]