In psychology rationalization or rationalisation is a defense mechanism in which controversial behaviors or feelings are justified and explained in a seemingly rational or logical manner in the absence of a true explanation, and are made consciously tolerable—or even admirable and superior—by plausible means.

What do you mean by Rationalise?

transitive verb. : to bring into accord with reason or cause something to seem reasonable especially : to attribute (one's actions) to rational and creditable motives without analysis of true and especially unconscious motives he tried to rationalize his cruel behavior. intransitive verb.

What is an example of rationalizing?

Examples of Rationalization

A person might account for a bad mood or general rude behavior by explaining that bad traffic affected the morning commute, for example. Someone who is passed over for a promotion might rationalize the disappointment by claiming to not have wanted so much responsibility after all.