Penetration

Part of speech: noun (n.)

1. The act or process of penetrating, piercing, or entering; also, the act of mentally penetrating into, or comprehending, anything difficult. And to each in ward part, With gentle penetration, though unseen, Shoots invisible virtue even to the deep. Milton. A penetration into the difficulties of algebra. Watts.

2. Acuteness; insight; sharp discoverment; sagacity; as, a person of singular penetration. Walpole.

Synonyms: Discernment; sagacity; acuteness; sharpness; discrimination. See Discernment, and Sagacity.