A lounge is a comfortable space for relaxation and unwinding. There are many synonyms for this word, each with its unique connotations and meanings. Some words that could be used instead of "lounge" include parlour, sitting room, den, living room, and family room. Each of these synonyms has its association with different types of relaxation, and they are used depending on the context. For example, a parlour may be more formal than a living room, while a den may be associated with a more rustic or suburban setting. Ultimately, the synonym used will depend on the specific setting and the type of relaxation being sought after.