Entry 1 sense Webster, 1913 Categorize /kăt'-əg-ẽr-īzˌ/ · Cat·e·go·rize · IPA /ˈkætəɡəˌɹaɪz/ 01 v. t. To insert in a category or list; to class; to catalogue. 1. To insert in a category or list; to class; to catalogue.