The word "foreroom" has many synonyms that can be used interchangeably in a variety of contexts. Some common synonyms for foreroom include anteroom, foyer, vestibule, entrance hall, reception area, and waiting room. Each of these words refers to a space that is typically located at the entrance of a larger building or room and serves as a transitional area between the outside world and the interior space beyond. Depending on the context, these words may convey a slightly different connotation or tone, but all of them are used to describe a similar type of space.