The phrase "store away" generally refers to putting something away for safekeeping, or in a place where it is out of sight or not being used. Some synonyms for "store away" include "stash," "hoard," "conceal," "sequester," "deposit," "stash away," "engineer," "cram," "compress," and "pack." Other related phrases that have similar meanings include "put aside," "put away," "keep," "save," "archive," "set aside," "reserve," "store up," and "stockpile." Each of these synonyms can be used in different contexts, depending on the situation and the thing being stored away.