Entry 1 sense Webster, 1913 Utilization /yo͞otˌ-əl-əz-āsh'-ən/ · U·til·i·za·tion · IPA /jˌuːtələzˈeɪʃən/ 01 n. The act of utilizing, or the state of being utilized. 1. The act of utilizing, or the state of being utilized.