As a Noun: 1. The kind of behaviour in which you treat people, especially children, with special kindness, and often allow them to have or do what they want. English = indulgence, soft-heartedness, kindness. As a Verb or Adjective: 1. To treat people, especially children, with special kindness, and often allow them to have or do what they want. English = indulge, spoil, (be) soft-hearted, (be) kind-hearted.