Webster’s Revised Unabridged Dictionary · 1913
Coact
Co·act′ (kō·ăkt′), v. t. [L. coactare, intens. fr. cogere, coactum, to force. See Cogent.] To force; to compel; to drive. [Obs.]
The faith and service of Christ ought to be voluntary and not coacted. Foxe.
Co·act′, v. i. [Pref. co- + act, v. i.] To act together; to work in concert; to unite. [Obs.]
But if I tell you how these two did coact. Shak.