indulgent adj.迁就的；纵容的；宽容的。= allowing someone to have or do what they want, especially when this is not good for them
indulgent relatives 待人宽厚的亲戚。
indulge v.（使）沉溺于；（尤指）放纵。= to allow yourself or another person to have something enjoyable, especially more than is good for you

【例句】
He had been a strict father but was indulgent to/towards his grandchildren.
他曾是个严厉的父亲，但对孙子孙女却很娇惯。

We took a deliberate decision to indulge in a little nostalgia.
我们特意决定好好追忆一下往事。