settle into a position, usually on a surface or ground
"dust settled on the roofs"
become settled or established and stable in one's residence or life style
"He finally settled down"
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."
To become quiet and calm after a period of disturbance or restlessness.