rationalization
 合理化
 ra·tio·nal·iza·tion /ˌræʃnələˈzeʃən, ənḷə-/ 名詞
 合理化
 Ra·tion·al·i·za·tion n. The act or process of rationalizing.
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 rationalization
      n 1: the cognitive process of making something seem consistent
           with or based on reason [syn: rationalisation]
      2: (psychiatry) a defense mechanism by which your true
         motivation is concealed by explaining your actions and
         feelings in a way that is not threatening [syn: rationalisation]
      3: (mathematics) the simplification of an expression or
         equation by eliminating radicals without changing the
         value of the expression or the roots of the equation [syn:
          rationalisation]
      4: the organization of a business according to scientific
         principles of management in order to increase efficiency
         [syn: rationalisation]
      5: systematic organization; the act of organizing something
         according to a system or a rationale [syn: systematization,
          systematisation, rationalisation]