Entry 1 sense Webster, 1913 Characterization /kĕrˌ-ək-tẽr-ĭz-āsh'-ən/ · Char·ac·ter·i·za·tion · IPA /ˌkæɹəktəɹəˈzeɪʃən/ 01 n. The act or process of characterizing. 1. The act or process of characterizing.