When one wants to keep something away for later use, they often use the phrase "set/put something aside." However, there are many synonyms for this phrase which can be utilized to add variety and richness to one's vocabulary. One can say "store away," "reserve for later," "stash," or "keep aside." Other similar phrases include "keep in reserve," "lay aside," "keep back," "set by," "put in storage," or "keep on ice." By using these synonyms, one can convey the same meaning of keeping something aside while also adding depth and nuance to their language.