historicization UK /hɪˌstɒɹɪkˌaɪˈzeɪʃən/US /hɪˌstoɹɪkˌaɪˈzeɪʃən/ noun1 •The act or process of historicizing.Despite his dislike of metaphysics and his radical 'humanization' and historicization of knowledge, Labriola did not advance any theory of the 'demise of philosophy'. — 1978 formshistoricizations