Classify \Clas"si*fy\, v. t. [imp. & p. p. {Classified}; p. pr. & vb. n. {Classifying}.] [L. classis class + -fy.] To distribute into classes; to arrange according to a system; to arrange in sets according to some method founded on common properties or characters. Syn: To arrange; distribute; rank. [1913 Webster]