A boisterous party is a lively and energetic gathering, often involving loud music and dancing. The term can be broken down into three crossword solutions: RAVE (4 letters), CAROUSAL (8 letters), and orgy (4 letters). A RAVE is a large dance party featuring electronic music, while a CAROUSAL is an outdoor party with music and dancing. An orgy is a wild gathering involving unrestrained sexual activity. All of these terms describe a boisterous party, which is a lively and energetic gathering.