Definition from Wiktionary, the free dictionary
From the Latin indulgeō (“I indulge”).
- (intransitive, often followed by "in"): To yield to a temptation or desire.
- He looked at the chocolate but didn't indulge.
- I indulged in drinking on the weekend.
- (transitive) To satisfy the wishes or whims of.
- He indulged them with money.
- The grandma indulges the kids with sweets.
- I love to indulge myself with beautiful clothes.
- To grant an extension to the deadline of a payment.
Related terms 
to yield to a temptation
to satisfy the wishes or whims of
to grant extension to payment
- third-person singular present indicative of indulgere
- second-person singular present active imperative of indulgeō