participation
US /pɑːrˌtɪs.əˈpeɪ.ʃən/
UK /pɑːrˌtɪs.əˈpeɪ.ʃən/

1.
the action of taking part in something
:
•
Student participation in class discussions is encouraged.
•
We saw a high level of participation in the community event.
the action of taking part in something