Partake in the celebration.
An example of partake is singing a song while out with friends at a karaoke club.
An example of partake is having a cocktail while out with friends at a bar.
The guests partook of a delicious dinner.
Origin of partake
- Back-formation from partaker one who partakes from Middle English part-taker (translation of Latin particeps participant)
From American Heritage Dictionary of the English Language, 5th Edition
- Back-formation from part-taking, a Middle English calque of Latin particeps (“participating").