When someone is laid to rest, it means that they have passed away and are being buried or cremated. There are many synonyms for this phrase, which can be used to convey the same idea in different ways. Some of these synonyms include 'passed away', 'departed', 'gone', 'expired', 'rested', 'perished', 'ceased', and 'passed on'. Each of these phrases can be used to express the sadness and solemnity of someone's death, and to convey the sense of loss that is felt by their family and friends. No matter which phrase you choose to use, the important thing is to express your condolences and support to those who are grieving.