Involve  v. (-ving) 1 (often foll. By in) cause (a person or thing) to share the experience or effect (of a situation, activity, etc.). 2 imply, entail, make necessary. 3 (often foll. By in) implicate (a person) in a charge, crime, etc. 4 include or affect in its operations. 5 (as involved adj.) A (often foll. By in) concerned. B complicated in thought or form. C amorously associated.  involvement n. [latin volvo roll]