Webster's Revised Unabridged Dictionary · 1913

Coactive

Coactive , adjective

[In sense 1, from 1st Coact; in sense 2, from 2d Coact.]

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. — Shakespeare