settle的固定搭配有以下几种：
1. settle down：表示安顿下来，过稳定有序的生活，例如：He settled down as a farmer with a family。
2. settle in：表示迁入，例如：She quickly settled in her new school。
3. settle for：表示勉强接受，尽管不完全满意也能接受，例如：She never settles for second best。
4. settle on：表示选定，决定，例如：Have you settled on a name for the baby。
5. settle up：表示付清，了结，结账，例如：You buy the tickets and I'll settle up with you later。
6. settle an account：表示结算，例如：He refused to settle for anything that was second best。
7. settle dispute：表示解决争端，解决争议，例如：They agreed to try to settle their dispute by negotiation。