To gain, usually by one's own exertions; to get as one's own; as, to acquire a title, riches, knowledge, skill, good or bad habits.
- To gain possession of: acquire 100 shares of stock.
- To get by one's own efforts: acquire proficiency in math.
- To gain through experience; come by: acquired a growing dislike of television sitcoms.
- To locate (a moving object) with a tracking system, such as radar.