- The definition of a celebration is an act or event designed to commemorate something or make something special and enjoyable.
An example of a celebration is a party you have for someone's birthday.
A birthday party is a celebration.
- the act or an instance of celebrating
- that which is done to celebrate
Origin of celebrationClassical Latin celebratio
OriginSee also: célébration
From Old French celebration, from Latin celebratio.