coact

v. i. [ Pref. co- + act, v. i. ] To act together; to work in concert; to unite. [ Obs. ] [ 1913 Webster ]

But if I tell you how these two did coact. Shak. [ 1913 Webster ]

n. [ L. coactio. ] Force; compulsion, either in restraining or impelling. Sojth. [ 1913 Webster ]

a. [ In sense 1, fr. 1st Coact; in sense 2, fr. 2d Coact. ] 1. Serving to compel or constrain; compulsory; restrictive. [ 1913 Webster ]

Any coactive power or the civil kind. Bp. Warburton. [ 1913 Webster ]

2. Acting in concurrence; united in action. [ 1913 Webster ]

With what's unreal thou coactive art. Shak. [ 1913 Webster ]

adv. In a coactive manner. [ 1913 Webster ]