Noun
1. the content of cognition; the main thing you are thinking about;
"it was not a good idea""the thought never entered my mind"2. the process of thinking (especially thinking carefully);
"thinking always made him frown""she paused for thought"3. the organized beliefs of a period or group or individual;
"19th century thought""Darwinian thought"4. a personal belief or judgment that is not founded on proof or certainty;
"my opinion differs from yours""what are your thoughts on Haiti?"