(1):

(a.) Serving as a pattern; deserving to be proposed for imitation; commendable; as, an exemplary person; exemplary conduct.

(2):

(a.) Serving as a warning; monitory; as, exemplary justice, punishment, or damages.

(3):

(a.) Illustrating as the proof of a thing.

(4):

(n.) An exemplar; also, a copy of a book or writing.