The word "Etage" refers to a floor or story in a building, and there are several synonyms that can be used to describe it. These include level, storey, tier, floor, platform, mezzanine, and story. Each of these words emphasizes a different aspect of a building's layout and functionality. For example, "level" suggests a uniform height or elevation, while "mezzanine" connotes a half-story that may be used for special purposes. "Storey" is a particularly common synonym that is frequently used in British English, while "floor" is more common in American English. Overall, these synonyms offer a variety of options for describing the different levels of a building and the spaces they contain.