Medical Definition of rationalize
rationalized also British rationalised; rationalizing also British rationalising
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: to provide plausible but untrue reasons for conduct
Seen and Heard
What made you want to look up rationalize? Please tell us where you read or heard it (including the quote, if possible).