lay something to rest
idiomPart ofrest
lay something to rest — idiom
1. to stop something by proving that it is not true or by dealing with it completel
1.idiom
Definition
to stop something by proving that it is not true or by dealing with it completely
Example
The CEO held a press conference to lay the rumours about the merger to rest.
The DNA test finally laid the question of the child's identity to rest.