When it comes to describing a public room, there are quite a few synonyms to choose from. Some of the most common include common room, lounge, parlor, waiting room, reception area, lobby, gathering space, and meeting room. Each of these terms brings its unique connotations and can be used to describe a range of different spaces. Whether you're referring to a location in a hotel, hospital, or office building, selecting the right synonym for a public room can help to convey the appropriate tone and atmosphere of the space. Ultimately, the best synonym to use will depend on the context and the intended audience.