Definition of rationalization noun from the Oxford Advanced Learner's Dictionary

      

    rationalization

     noun
    (British English also -isation)noun
    BrE BrE//ˌræʃnəlaɪˈzeɪʃn//
     
    ; NAmE NAmE//ˌræʃnələˈzeɪʃn//
     
    [uncountable, countable]
     
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  1. 1the act of finding or trying to find a logical reason to explain why somebody thinks, behaves, etc. in a way that is difficult to understand No amount of rationalization could justify his actions.
  2. 2(British English) the act of making changes to a business, system, etc. in order to make it more efficient, especially by spending less money a need for rationalization of the industry