Source : Webster's Revised Unabridged Dictionary (1913)

Intellection \In`tel*lec"tion\, n. [L. intellectio synecdoche:
   cf. F. intellection.]
   A mental act or process; especially:
   (a) The act of understanding; simple apprehension of ideas;
       intuition. Bentley.
   (b) A creation of the mind itself. --Hickok.

Source : WordNet®

intellection
     n : the process of thinking (especially thinking carefully);
         "thinking always made him frown"; "she paused for
         thought" [syn: {thinking}, {thought}, {cerebration}, {mentation}]