Participation

noun

1. The act of taking part or sharing in something.

   "Teachers often encourage class participation."

2. The act or fact of participating or sharing in common with another or with others; the act or state of receiving or having part of something.
3. Distribution; division into shares.
4. Companionship.
5. The act or state of participating, or sharing in common with others.

   "a participation in joy or sorrows"