PROPENS'ITY, n. [L. propensio.]1. Bent of mind, natural or acquired; inclination; in a moral sense; disposition to any thing good or evil, particularly to evil; as a propensity to sin; the corrupt propensity of the will. It requires critical nicety to find out the genius or propensions of a child.2. Natural tendency; as the propension of bodies to a particular place.
[In a moral sense, propensity is now chiefly used.]