"Lay the grave" is a phrase commonly used to describe the act of burying a loved one. However, there are many alternative synonyms that can be used to express this same idea. Some options include "inter" or "entomb," which both refer to placing something in a tomb or grave. "Inhumation" is another word that can be used, meaning the act of burying a body in the ground. Alternatively, you may choose to use words like "sepulchre" or "mausoleum" to describe the location where a loved one is buried. Regardless of the synonym used, the act of laying the grave is a solemn and important occasion that deserves reverence and respect.