involvement

Noun

• the condition of sharing in common with others (as fellows or partners etc.)

• a usually secretive or illicit sexual relationship

• a sense of concern with and curiosity about someone or something
  • an interest in music
    

• a connection of inclusion or containment
  • he escaped involvement in the accident
    
  • there was additional involvement of the liver and spleen
    

• the act of sharing in the activities of a group
  • the teacher tried to increase his students' engagement in class activities
    

Related words

• Synonyms: 
  participation , affair , affaire , intimacy , liaison , amour , interest , engagement , involution
• Antonyms: 
  non-engagement , nonparticipation , non-involvement