lenience

noun

1.
mercifulness as a consequence of being lenient or tolerant
leniency lenity mildness
Derived from:
lenient
2.
a disposition to yield to the wishes of someone
indulgence leniency
Derived from:
lenient
3.
lightening a penalty or excusing from a chore by judges or parents or teachers
leniency
Derived from:
lenient