'rationalisation' definitions:

(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: rationalization, rationalisation]

The cognitive process of making something seem consistent with or based on reason [syn: 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 [syn: rationalization, rationalisation]

The organization of a business according to scientific principles of management in order to increase efficiency [syn: rationalization, rationalisation]

Systematic organization; the act of organizing something according to a system or a rationale [syn: systematization, systematisation, rationalization, rationalisation]