Entry 1 sense Webster, 1913 Unification /yo͞onˌ-əf-ək-āsh'-ən/ · U·ni·fi·ca·tion · IPA /ˌjunəfəˈkeɪʃən/ 01 n. The act of unifying, or the state of being unified. 1. The act of unifying, or the state of being unified. “Unification with God was the final aim of the Neoplatonicians.” — Fleming.