Synonyms of leniency in English:

leniency

(also lenience)

See definition of leniency

noun

1‘the judge rejected pleas for greater leniency’

SYNONYMS
mercifulness, mercy, clemency, lenity, forgiveness
tolerance, forbearance, moderateness, lack of severity, moderation, humanity, charity, indulgence, gentleness, mildness, sufferance, acceptance
pity, sympathy, compassion, understanding, concern, consideration, kindness, kind-heartedness, benevolence
soft-heartedness, permissiveness, liberality, liberalness
ANTONYMS

mercilessness, strictness, severity