Webster's Revised Unabridged Dictionary · 1913

Cognizance

Cognizance (? o?; 277) , noun

[Old French conissance, conoissance, French connaissance, Late Latin cognoscentia, from Latin cognoscere to know. See Cognition, and compare Cognoscence, Connoisseur.]

1.
Apprehension by the understanding; perception; observation.
Within the cognizance and lying under the control of their divine Governor. — Bp. Hurd
2.
Recollection; recognition.
Who, soon as on that knight his eye did glance, Eftsoones of him had perfect cognizance. — Spenser
3.
(a) (Law) Jurisdiction, or the power given by law to hear and decide controversies.
(b)
(Law) The hearing a matter judicially.
(c)
(Law) An acknowledgment of a fine of lands and tenements or confession of a thing done.
(d)
(Law) A form of defense in the action of replevin, by which the defendant insists that the goods were lawfully taken, as a distress, by defendant, acting as servant for another. [English] — Cowell. Mozley & W
4.
The distinguishing mark worn by an armed knight, usually upon the helmet, and by his retainers and followers: Hence, in general, a badge worn by a retainer or dependent, to indicate the person or party to which he belonged; a token by which a thing may be known.
Wearing the liveries and cognizance of their master. — Prescott
This pale and angry rose, As cognizance of my blood-drinking hate. — Shakespeare