Converge :: Converge (v. i.) To tend to one point; to incline and approach nearer together; as, lines converge..
Converge :: Converge (v. t.) To cause to tend to one point; to cause to incline and approach nearer together.
Convergency :: Convergency (n.) The condition or quality of converging; tendency to one point.
Convergent :: Convergent (a.) tending to one point of focus; tending to approach each other; converging.