'Extravaganza' definitions:

Definition of 'extravaganza'

(from WordNet)
noun
Any lavishly staged or spectacular entertainment

Definition of 'Extravaganza'

From: GCIDE
  • Extravaganza \Ex*trav`a*gan"za\, n. [Extravagance with an Italian ending: cf. It. stravaganza.]
  • 1. A composition, as in music, or in the drama, designed to produce effect by its wild irregularity; esp., a musical caricature. [1913 Webster]
  • 2. An extravagant flight of sentiment or language. [1913 Webster]
  • 3. a lavish or spectacular show or event, or presentation; as, Disney staged an extravaganza in Central Park that drew many thousands. [PJC]

Synonyms of 'extravaganza'

From: Moby Thesaurus