There are several synonyms for the word "exercise suit". One of them is "athletic wear", which encompasses any type of clothing specifically designed for physical activity. Another synonym is "activewear", which can refer to both tops and bottoms that allow for flexibility and comfort during movement. "Running gear" or "workout clothes" are other common synonyms that specifically focus on clothing for running or other types of exercise. For colder weather, "thermal gear" or "cold-weather clothing" can be used as synonyms for exercise suits that provide added warmth. Ultimately, there are many synonyms for exercise suits that can be used interchangeably depending on the type of physical activity and the desired level of comfort and mobility.