Thought1  n. 1 process or power of thinking; faculty of reason. 2 way of thinking associated with a particular time, group, etc. 3 sober reflection or consideration. 4 idea or piece of reasoning produced by thinking. 5 (foll. By of + verbal noun or to + infin.) Partly formed intention (had no thought to go). 6 (usu. In pl.) What one is thinking; one's opinion. 7 (prec. By a) somewhat (a thought arrogant).  in thought meditating. [old english: related to *think]