thinking

thinking (http://definr.com/thinking)

     adj 1: given to cogitation; "he looked at me with cogitative eyes"
            [syn: cogitative, thinking(a)]
     2: endowed with the capacity to reason [syn: intelligent, reasoning(a),
         thinking(a)]
     n : the process of thinking (especially thinking carefully);
         "thinking always made him frown"; "she paused for
         thought" [syn: thought, cerebration, intellection,
         mentation]