celebration

noun

1.
a joyful occasion for special festivities to mark some happy event
happy highday hooley merrymeeting reveling jubilation
Derived from:
celebrate
2.
any joyous diversion
frealsing simbleness festivity
Derived from:
celebrate
3.
the public performance of a sacrament or solemn ceremony with all appropriate ritual
solemnisation solemnization
Derived from:
celebrate