Lenity, derived from the Latin word 'lenis' meaning soft or mild, is defined as the quality of being lenient, showing mercy and forbearance, especially in the context of authority or judgment. It represents a conscious choice to temper justice with compassion, favoring mercy over harshness without implying weakness or lack of principles. Synonyms include clemency and indulgence, while antonyms are severity and rigor, highlighting lenity's position between justice and mercy.