lenience

noun

1. Kind, forgiving, or compassionate treatment of or disposition toward others: charity, clemency, grace, leniency, lenity, mercifulness, mercy. See forgiveness/vindictiveness.
2. Forbearing or lenient treatment: charitableness, charity, forbearance, indulgence, leniency, lenity, tolerance, toleration. See accept/reject.

The noun has 3 meanings:

Meaning #1: mercifulness as a consequence of being lenient or tolerant
  Synonyms: leniency, mildness, lenity

Meaning #2: a disposition to yield to the wishes of someone
  Synonyms: indulgence, leniency

Meaning #3: lightening a penalty or excusing from a chore by judges or parents or teachers
  Synonym: leniency