Definition: cognition

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Source: WordNet (r) 1.7 

cognition
     n : the psychological result of perception and learning and
         reasoning [syn: knowledge, noesis]

Source: Webster's Revised Unabridged Dictionary (1913) 

Cognition \Cog*ni"tion\, n. [L. cognitio, fr. cognoscere,
   cognitum, to become acquainted with, to know; co- + noscere,
   gnoscere, to get a knowledge of. See Know, v. t.]
   1. The act of knowing; knowledge; perception.

            I will not be myself nor have cognation Of what I
            feel: I am all patience.              --Shak.

   2. That which is known.