meaning of cognizance
1.  Apprehension by the understanding; perception; observation. 
2.  Recollection; recognition. 
3.  Jurisdiction, or the power given by law to hear and decide controversies. 
4.  The hearing a matter judicially. 
5.  An acknowledgment of a fine of lands and tenements or confession of a thing done. 
6.  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. 
7.  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. 
						 
