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English definition of “rationalize”

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rationalize

verb [I/T]  /ˈræʃ·ə·nəlˌɑɪz/ us  
to create a reason, explanation, or excuse for something: [T] You can rationalize your way out of anything.
rationalization
noun [C/U]  /ˌræʃ·ə·nəl·əˈzeɪ·ʃən/ us  
[C] Parents are fed up with rationalizations about why schools don’t work.
(Definition of rationalize from the Cambridge Academic Content Dictionary © Cambridge University Press)
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