参加は英語で
participation

英語の定義

参加
1. n. participation, commitment
2. v. to participate, to join, to enter
議論に参加した。 - We participated in the debate.

participation
1. 名詞. 参加、関係、関与。

participation
1. n. The act of participating, of taking part in something.
2. n. The state of being related to a larger whole.
3. n. The process during which individuals, groups and organizations are consulted about or have the opportunity to become actively involved in a project or program of activity.
4. n. An ownership interest or profit-sharing right.