“Just what does this job 'involve'?” “It 'involves' [='entails'] traveling and a lot of overtime.”
No one knew of their romantic 'involvement'. [=no one knew that they had a romantic relationship]
The accident 'involved' three cars. = Three cars were 'involved' in the accident.
(..) Who do you serve? Myranda. I saw you staring at her. I'm going to marry her. That will involve looking at her from time to time. You said you'd marry me. And I meant it. When I was a bastard named Snow. (..)2015 TvShow: Game of Thrones Title: Kill the Boy Season: 5 Episode 5