rationalize

US /ˈræʃ.ən.əl.aɪz/
UK /ˈræʃ.ən.əl.aɪz/
1.

hợp lý hóa

to try to find reasons to explain your behavior, decisions, etc.:

:
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She rationalized the cost by saying that an expensive carpet would last longer than a cheaper one.
:
rationalrationalizationiron rations