Foredate is a word that refers to arranging a date or event beforehand or set a date from an earlier time. However, there are several synonyms for this word that can be used interchangeably depending upon the context. Some of the synonyms for foredate include antedate, predate, preexist, preclude, and prearrange. Antedate, like foredate, refers to assigning a date to something earlier than when it occurred or existed. Predates, another synonym, implies an event or a thing happened in the past or older than something else. To preexist refers to something existing before another, which is also synonymous with prearrange and preclude, which involves planning or setting events or circumstances ahead of time.