Pack it away is an expression that is often used when someone wants to store or hide an object. There are various synonyms that can be used in place of "pack it away." For instance, "stash it," "conceal it," "store it," "put it away," "hide it," and "store it away" are some of the synonyms that can be used in different contexts. If someone intends to keep his or her belongings in a storage facility, he or she might say, "I'm going to stash all my things in the locker." Equally, if someone wants to put a valuable item out of sight, they might say, "I'm going to hide it in the closet".