Penetration :: Penetration (n.) The act or process of penetrating, piercing, or entering; also, the act of mentally penetrating into, or comprehending, anything difficult..
Penetration :: Penetration (n.) Acuteness; insight; sharp discoverment; sagacity; as, a person of singular penetration..
Penetrative :: Penetrative (a.) Tending to penetrate; of a penetrating quality; piercing; as, the penetrative sun..
Penetrative :: Penetrative (a.) Having the power to affect or impress the mind or heart; impressive; as, penetrative shame..