Involvement (noun)

1. The state of being involved in something.
2. The fact of being involved in an activity or situation.
3. The extent to which someone or something is involved in an activity or situation.

Origin:

From latin involvere meaning "to roll up".

Examples:

1. His involvement in the project was minimal.
2. She had a lot of involvement in the community.
3. The involvement of the government in the project was necessary.
4. The company's involvement in the scandal led to their downfall.
5. The level of student involvement in the club was high.