 Catholicize: translationcatholic ADJECTIVE 1 including a wide variety of things: catholic tastes. 2 Catholic Roman Catholic. 3 Catholic of or including all Christians. NOUN Catholic a Roman Catholic.DERIVATIVES Catholicism noun catholicity noun Catholicize also Catholicise verb.ORIGIN Greek katholikos universal .Catholicize Cathol icize, v. t. i. To make or to become catholic or Roman Catholic. 1913 Webster ... The Collaborative International Dictionary of English 