1.to reach a decision or arrangement about something, or to end a disagreement.
eg: They haven’t yet settled when the wedding is going to be.（他们还没决定什么时候举办婚礼）
2. to relax into a comfortable position.
eg:The dentist told him to settle back in the chair.
3.to go and live somewhere, especially permanently.
eg:After they got married, they settled in Brooklyn.
4.to arrive, especially from another country, in a new place and start to live there and use the land.
eg:America was first settled by people who came across from Asia over 25000 years ago.
5.to move to a lower level and stay there;to drop
eg:The house had been empty for years,and dust had settled on all the surfaces.（这个房子已经空了许多年了，所有东西都覆满了尘埃）
6.to pay, especially money that you owe
我记得美剧里有个情节是朋友们围成一桌打牌，然后结束之后有个朋友要走，其他人就说，wohoo.你还没给钱呢！（打牌赌输的钱）所以翻译多来就是，we gonna settle!（我们要来算钱啦！或者你要来给我们付钱啦！）
7.to become quiet and calm,or to make something or someone do this.
eg:The weather is expected to settle towards the end of the week.
8.to reach and remain at a certain level or in a certain state.
eg: A peaceful expression settled on her face.