extenuated
Extenuate is a verb meaning to make something seem less serious or to mitigate the severity of a fault, crime, or offense by presenting mitigating factors. The common adjective form is extenuating, as in extenuating circumstances. The past participle extenuated exists but is uncommon and can sound awkward when referring to circumstances. Noun forms include extenuation (the act of mitigating) and extenuating circumstances (the mitigating factors themselves).
Originating from Latin extenuare, from ex- “thoroughly” plus tenuare “to thin or weaken,” ultimately from tenuis
In usage, extenuate means to palliate or mitigate; extenuating circumstances are factors that justify or lessen
Examples: “The defense claimed extenuating circumstances that reduced the severity of the offense.” “The judge considered