(1):

(v. i.) To increase or become great.

(2):

(v. t.) To make great; to enlarge; to increase; as, to aggrandize our conceptions, authority, distress.

(3):

(v. t.) To make great or greater in power, rank, honor, or wealth; - applied to persons, countries, etc.

(4):

(v. t.) To make appear great or greater; to exalt.