Noun rationalisation has 5 senses
  1. rationalization, rationalisation - (psychiatry) a defense mechanism by which your true motivation is concealed by explaining your actions and feelings in a way that is not threatening
    --1 is a kind of defense mechanism, defense reaction, defence mechanism, defence reaction, defense, defence
  2. rationalization, rationalisation - the cognitive process of making something seem consistent with or based on reason
    --2 is a kind of explanation
    --2 has particulars: raison d'etre
    Derived form: verb rationalise2
  3. rationalization, rationalisation - (mathematics) the simplification of an expression or equation by eliminating radicals without changing the value of the expression or the roots of the equation
    --3 is a kind of simplification
    Derived form: verb rationalise4
  4. rationalization, rationalisation - the organization of a business according to scientific principles of management in order to increase efficiency
    --4 is a kind of organization, organisation
    Derived form: verb rationalise1
  5. systematization, systematisation, rationalization, rationalisation - systematic organization; the act of organizing something according to a system or a rationale
    --5 is a kind of organization, organisation
    --5 has particulars: codification; formalization, formalisation
    Derived form: verb rationalise3
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