Etymology and usage

The word "thought" may mean:

a single product of thinking or a single idea ("My first thought was ‘no.’")
the product of mental activity ("Mathematics is a large body of thought.")
the act or system of thinking ("I was frazzled from too much thought.")
the capacity to think, reason, imagine, and so on ("All her thought was applied to her work.")
the consideration of or reflection on an idea ("The thought of death terrifies me.")
recollection or contemplation ("I thought about my childhood.")
half-formed or imperfect intention ("I had some thought of going.")
anticipation or expectation ("She had no thought of seeing him again.")
consideration, attention, care, or regard ("He took no thought of his appearance" and "I did it without thinking.")
judgment, opinion, or belief ("According to his thought, honesty is the best policy.")
the ideas characteristic of a particular place, class, or time ("Greek thought")
the state of being conscious of something ("It made me think of my grandmother.")
tending to believe in something, especially with less than full confidence ("I think that it will rain, but I am not sure.")