subside

verb4

1. •
   To sink or fall to the bottom; to settle, as lees.
2. •
   To fall into a state of calm; to be calm again; to settle down; to become tranquil.

   • The sea subsides.
   • The tumults of war will subside.
3. •
   (informal) To cease talking.
4. •
   To fall downward; to become lower; to descend; to sink.