Posh shindig
I believe the answer is:
gala
(Other definitions for gala that I've seen before include "Festive entertainment" , "sporting event" , "field day" , "Festive celebration" , "Special festivity" .)
I believe the answer is:
gala
(Other definitions for gala that I've seen before include "Festive entertainment" , "sporting event" , "field day" , "Festive celebration" , "Special festivity" .)