10 letters · 13 points in Scrabble
noun to act in such a way as to cause an offense to seem less serious
noun a partial excuse to mitigate censure; an attempt to represent an offense as less serious than it appears by showing mitigating circumstances
noun the action of lessening in severity or intensity
originFrom Middle French mitigation, from Latin mitigatio.
Etymology from Wiktionary, CC BY-SA 3.0