settle down

verb

1. 1

   become settled or established and stable in one's residence or life style

   He finally settled down

2. 2

   become quiet or calm, especially after a state of agitation

   After the fight both men need to cool off.

   It took a while after the baby was born for things to settle down again.

3. 3

   settle into a position, usually on a surface or ground

   dust settled on the roofs