RATIONALIZATION Meaning of RATIONALIZATION in English rationalization BrE AmE ˌræʃ ə n‿ ə l aɪ ˈzeɪʃ ə n - ə l ɪ- AmE \ - ə l ə-▷ rationalization|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012