The phrase "put to rest" is commonly used to indicate that something has been resolved or laid to rest. However, there are several synonyms that can be used to convey the same message. For instance, the phrase "settle the matter" can be used to imply that a dispute or argument has been resolved. The phrase "put an end to" can be used to indicate that something undesirable has been terminated. Furthermore, the phrase "lay to rest" can be used to refer to putting a person or animal's remains to rest. Other synonyms for "put to rest" might include "close the book on," "put a stop to," "end the debate," or "quash rumors".