Mardi Gras
Saturnalia
anniversary
banquet
birthday
blowout
carnival
celebration
commemoration
do
entertainment
fair
feast
festal
festive
festive occasion
festivity
fete
field day
fiesta
gala
gala affair
gala day
great doings
high jinks
holiday
holy day
jamboree
joyous
kermis
mirthful
party
picnic
red-letter day
waygoose
wayzgoose
festivities
ceremony
concert
dance
drama
event
exhibition
hymn
legend
meeting
procession
sacrifice
show
sport
tradition
wed
worship