Coactive
Pronunciation : Co*ac"tive
Part of Speech : a.
Etymology : [In sense 1, fr. 1st Coact; in sense 2, fr. 2d Coact.]
Definition : 1. Serving to compel or constrain; compulsory; restrictive. Any coactive power or the civil kind. Bp. Warburton.
2. Acting in concurrence; united in action. With what's unreal thou coactive art. Shak.
Source : Webster's Unabridged Dictionary, 1913