|Origin:||, past participle of celebrare 'to visit often, celebrate', from celeber 'often visited, famous'|
1 [intransitive and transitive]
to show that an event or occasion is important by doing something special or enjoyable [↪ celebration]:
It's Dad's birthday and we're going out for a meal to celebrate.
My folks are celebrating their 50th anniversary.
We hope to give fans something to celebrate this season.
celebrate Christmas/Thanksgiving etc
How do you usually celebrate New Year?
2 [transitive] formal
to praise someone or something:
poems that celebrate the joys of love
to perform a religious ceremony, especially the Christian Mass