(1):

(v. t.) To raise or lift up; to exalt.

(2):

(v. t.) To advance; to augment; to increase; to heighten; to make more costly or attractive; as, to enhance the price of commodities; to enhance beauty or kindness; hence, also, to render more heinous; to aggravate; as, to enhance crime.

(3):

(v. i.) To be raised up; to grow larger; as, a debt enhances rapidly by compound interest.