Английский словарь американских идиом - settle down

{v.} 1. To live more quietly and sensibly; have a regular place to live and a regular job; stop acting wildly or carelessly, especially by growing up. * /John will settle down after he gets a job and gets married./ 2. To become quiet, calm, or comfortable. * /Father settled down with the newspaper./ * /The house settled down for the night after the children were put to bed./ * /The teacher told the students to settle down and study the lesson./