Putting something aside is a phrase that means to reserve something for a later time or to save it for future use. There are several synonyms for this phrase that can be used interchangeably depending on the context. Some of the most commonly used synonyms for "put something aside" include to save, reserve, set aside, keep aside, store away, keep in reserve, stash, keep for later, put away, and keep aside. These phrases can be used in a variety of situations, whether you are saving money for a future expense, putting away food for later, or setting aside time for a specific task. Regardless of your use, any of these synonyms provide an effective way to convey the same meaning as "put something aside.