n.
1.the cognitive process of making something seem consistent with or based on reason
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
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
4.the organization of a business according to scientific principles of management in order to increase efficiency
5.systematic organization
Idiom of the Day
hang out one's shingle
to notify the public of the opening of an office - especially an office of a doctor or lawyer or other professional
The man will hang out his shingle now that he has graduated from law school.