#1 apologize v. [apologise] acknowledge faults or shortcomings or failing; "I apologized for being late"; "He apologized for the many typoes". wn
#2 apologize v. [apologise, excuse, justify, rationalize, rationalise] defend, explain, clear away, or make excuses for by reasoning; "rationalize the child's seemingly crazy behavior"; "he rationalized his lack of success". wn
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