involvement (n.)the act of sharing in the activities of a group;
involvement (n.)a connection of inclusion or containment;
there was additional involvement of the liver and spleen
he escaped involvement in the accident
involvement (n.)a sense of concern with and curiosity about someone or something;
involvement (n.)a usually secretive or illicit sexual relationship;
involvement (n.)the condition of sharing in common with others (as fellows or partners etc.);