A rec center, short for recreation center, is a place where people go to participate in various activities. However, there are many synonyms for this term, depending on the location or type of facility. Some alternatives include a community center, a gymnasium, a fitness center, a club, or a leisure center. These words emphasize different aspects of the place, such as its communal or athletic focus. Some other terms that may be used in specific contexts include health club, sports complex, gym, or recreational facility. Ultimately, the term used depends on the intended audience and the activities offered within the facility.