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Rationalisation 
 noun 1.(psychiatry) a defense mechanism by which your true motivation is concealed by explaining your actions and feelings in a way that is not threatening.  Synonym: rationalization.  2.The cognitive process of making something seem consistent with or based on reason.  Synonym: rationalization.  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.  Synonym: rationalization.  4.The organization of a business according to scientific principles of management in order to increase efficiency.  Synonym: rationalization.  
 
 
 
  
 WordNet 3.0 © 2010 Princeton University 
 
  
 
 
  
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