(1):

(n.) A trade, art, or occupation.

(2):

(v. t.) To address or mention by the title Mr.; as, he mistered me in a formal way.

(3):

(n.) Manner; kind; sort.

(4):

(v. i.) To be needful or of use.

(5):

(n.) Need; necessity.

(6):

(n.) A title of courtesy prefixed to the name of a man or youth. It is usually written in the abbreviated form Mr.