(1):

(v. t.) To make conventional; to bring under the influence of, or cause to conform to, conventional rules; to establish by usage.

(2):

(v. t.) To represent by selecting the important features and those which are expressible in the medium employed, and omitting the others.

(3):

(v. t.) To represent according to an established principle, whether religious or traditional, or based upon certain artistic rules of supposed importance.