mitigating

US /ˈmɪt̬.ə.ɡeɪ.t̬ɪŋ/
UK /ˈmɪt̬.ə.ɡeɪ.t̬ɪŋ/
1.

緩和する

making something less harmful, unpleasant, or bad:

:
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Are there any mitigating circumstances/factors that might help explain her appalling behavior?
:
mitigation