extravaganza
n.n. a very large and expensive event that is full of exciting things like music, dance, and lights. It is usually a special celebration or a show that lasts a long time.
n. a large-scale, elaborate, and often expensive public event or performance. Frequently used to describe a festival, parade, or theatrical production that features a wide variety of entertainment.
The city held a fireworks extravaganza to celebrate the new year.
The opening ceremony of the festival was a massive extravaganza featuring hundreds of dancers and a full orchestra.
While the budget was modest, the director managed to create a visual extravaganza that captivated the audience with its intricate set designs and vibrant costumes.
From Italian stravaganza under influence from English extravagance.