The Collaborative International Dictionary of English v.0.48:
Categorize \Cat"e*go*rize\, v. t. To insert in a category or list; to class; to catalogue. [1913 Webster]WordNet (r) 3.0 (2006):
categorize v 1: place into or assign to a category; "Children learn early on to categorize" [syn: categorize, categorise]