Entry 1 sense Webster, 1913 Rehabilitation /(-t?"sh?n)/ · Re·ha·bil·i·ta·tion · IPA /ˌɹiː.əˌbɪl.ɪˈteɪ.ʃən/ 01 n. The act of rehabilitating, or the state of being rehabilitated. 1. The act of rehabilitating, or the state of being rehabilitated.