\Cog"ni*za*ble\ (? or ?), a. [F. connaissable, fr. conna[^i]tre to know, L. cognoscere. See Cognition.] 1. Capable of being known or apprehended; as, cognizable causes. 2. Fitted to be a subject of judicial investigation; capable of being judicially heard and determined. Cognizable both in the ecclesiastical and secular courts. --Ayliffe.