jamboree
noun
[ ˌdʒambəˈriː ]
• a large celebration or party, typically a lavish and boisterous one.
• "the film industry's annual jamboree in Cannes"
Similar:
rally,
gathering,
get-together,
convention,
conference,
festival,
fete,
fiesta,
gala,
party,
carnival,
celebration,
bash,
shindig,
shindy,
jolly,
junket,
• a large rally of Scouts or Guides.
Similar:
rally,
gathering,
get-together,
convention,
conference,
festival,
fete,
fiesta,
gala,
party,
carnival,
celebration,
bash,
shindig,
shindy,
jolly,
junket,
Origin:
mid 19th century (originally US slang): of unknown origin.