pre-ackˈnowledge,v. [pre- A. 1.] trans. To acknowledge beforehand or as a preliminary. Hence pre-ackˈnowledgedppl. a. 1657J. Sergeant Schism Dispach't 67 A preacknowledged Infallibility strengthen'd by a long Possession.Ibid. 655 Had there not been some preacknowledg'd power to ground and countenance such a demand.