nouns
the act of sharing in the activities of a group
"the teacher tried to increase his students' engagement in class activities"
a connection of inclusion or containment
"he escaped involvement in the accident"; "there was additional involvement of the liver and spleen"
is a type of (narrower)
a relation between things or events (as in the case of one causing the other or sharing features with it)
"there was a connection between eating that pickle and having that nightmare"
a sense of concern with and curiosity about someone or something
"an interest in music"
a usually secretive or illicit sexual relationship
the condition of sharing in common with others (as fellows or partners etc.)