1. 
[syn: know, cognize, cognise]
The Collaborative International Dictionary of English v.0.48:
Cognize \Cog"nize\, v. t. [Cf. Cognizant, Recognize.]
   To know or perceive; to recognize.
   [1913 Webster]
         The reasoning faculty can deal with no facts until they
         are cognized by it.                      --H. Spencer.
   [1913 Webster]
WordNet (r) 3.0 (2006):
cognize
    v 1: be cognizant or aware of a fact or a specific piece of
         information; possess knowledge or information about; "I
         know that the President lied to the people"; "I want to
         know who is winning the game!"; "I know it's time" [syn:
         know, cognize, cognise] [ant: ignore]