Entry 1 sense Webster, 1913 Deification /dēˌ-əf-ək-āsh'-ən/ · De·i·fi·ca·tion · IPA /dˌiːəfəkˈeɪʃən/ 01 n. The act of deifying; exaltation to divine honors; apotheosis; excessive praise. 1. The act of deifying; exaltation to divine honors; apotheosis; excessive praise.