thought

noun

1. 1

   the process of using your mind to consider something carefully

   thinking always made him frown

   she paused for thought

2. 2

   the content of cognition; the main thing you are thinking about

   it was not a good idea

   the thought never entered my mind

3. 3

   a personal belief or judgment that is not founded on proof or certainty

   my opinion differs from yours

   I am not of your persuasion

4. 4

   the organized beliefs of a period or group or individual

   19th century thought

   Darwinian thought