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rationalize ra·tion·al·ize (rāsh'ə-nə-līz')
v. ra·tion·al·ized, ra·tion·al·iz·ing, ra·tion·al·iz·es
To make rational.
To devise self-satisfying but false or inconsistent reasons for one's behavior, especially as an unconscious defense mechanism through which irrational acts or feelings are made to appear rational to oneself.