celebration

noun4

1. •
   the act of showing joy or thanks for something, often by coming together with other people

   • She jumped in the air in celebration of her success.
2. •
   The observance of a holiday or feast day, as by solemnities.

   • The celebrations around here for Easter are enjoyable.
3. •
   A social gathering for entertainment and fun; a party.

   • We are having a celebration at McDonald's for my dad's new job.
   • Next week includes celebrations for both Martin's birthday and for his new job.
4. •
   The formal performance of a solemn rite, such as Christian sacrament.

   • We will attend the Christmas celebration in church.