COACTIVE

Etymology 1

Adjective

coactive (comparative more coactive, superlative most coactive)

(obsolete) Serving to compel or constrain; compulsory; restrictive.

Etymology 2

Adjective

coactive (comparative more coactive, superlative most coactive)

Acting in concurrence; united in action.

Source: Wiktionary

Co*ac"tive, a. Etym: [In sense 1, fr. 1st Coact; in sense 2, fr. 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. Shak.

Source: Webster’s Unabridged Dictionary 1913 Edition