rationalize (someone's) behavior

Translations
рационализировать поведение (кого-то)
She tried to rationalize her behavior by blaming stress.
Она пыталась рационализировать своё поведение, обвиняя стресс.
Definitions
To provide a logical or reasonable explanation for someone's actions or conduct, often to justify or make sense of behavior that may seem irrational or questionable.
Words
behavior

noun
поведение
rationalize

verb
рационализировать