A lavish party is an event that is extravagant and often expensive. It can be referred to by several different names, such as a GALA, BASH, JAMBOREE, or fete. A GALA is a large, formal social gathering, usually with entertainment and dancing. A BASH is a lively and noisy party. A JAMBOREE is a large, festive gathering, usually with music and dancing. Finally, a fete is a large outdoor party with food, music, and entertainment.