What is the meaning of indulgence?

noun

• An inability to resist the gratification of whims and desires.
  • synonyms: self-indulgence
• A disposition to yield to the wishes of someone.
  • usage: "too much indulgence spoils a child"
  • synonyms: lenience, leniency
• The act of indulging or gratifying a desire.
  • synonyms: indulging, pampering, humoring
• Foolish or senseless behavior.
  • synonyms: folly, foolery, tomfoolery, craziness, lunacy
• The remission by the pope of the temporal punishment in purgatory that is still due for sins even after absolution.
  • usage: "in the Middle Ages the unrestricted sale of indulgences by pardoners became a widespread abuse"