›to be or become involved in an activity: The teacher tries to get everyone to participate in the classroom discussion.participation
/pɑrˌtɪs·əˈpeɪ·ʃən/n[U]›Participation in the program was voluntary.participatory/pɑrˈtɪs·ə·pəˌtɔr·i/, /-ˌtoʊr·i/adj›Participatory sports are becoming more popular.