abate
let up
slack off
slack *
die away

When all should had died away, he sat down again.

Today, nearly four months later, most such talk has died away.

Not until they had quite died away did she go on.

She could hear the sound of his feet for a while and then they died away.

When the sound died away he turned to me quickly.

The sound had died away, his head was free of the pain.

When it had died away he looked again and saw nothing.

Her voice died away as she went through the kitchen.

The light had died away; it was all dark around them.

Though he was only 32 years old, his friends had mostly died or moved away.