1. (verb)think an instance of deliberate thinking "I need to give it a good think"
2. (verb)think, believe, consider, conceive judge or regard; look upon; judge "I think he is very smart"; "I believe her to be very smart"; "I think that he is her boyfriend"; "The racist conceives such people to be inferior"
3. (verb)think, opine, suppose, imagine, reckon, guess expect, believe, or suppose "I imagine she earned a lot of money with her new novel"; "I thought to find her in a bad state"; "he didn't think to find her in the kitchen"; "I guess she is angry at me for standing her up"
4. (verb)think, cogitate, cerebrate use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments "I've been thinking all day and getting nowhere"
5. (verb)remember, retrieve, recall, call back, call up, recollect, think recall knowledge from memory; have a recollection "I can't remember saying any such thing"; "I can't think what her last name was"; "can you remember her phone number?"; "Do you remember that he once loved you?"; "call up memories"
6. (verb)think imagine or visualize "Just think--you could be rich one day!"; "Think what a scene it must have been!"
7. (verb)think focus one's attention on a certain state "Think big"; "think thin"
8. (verb)intend, mean, think have in mind as a purpose "I mean no harm"; "I only meant to help you"; "She didn't think to harm me"; "We thought to return early that night"
9. (verb)think decide by pondering, reasoning, or reflecting "Can you think what to do next?"
10. (verb)think ponder; reflect on, or reason about "Think the matter through"; "Think how hard life in Russia must be these days"
11. (verb)think dispose the mind in a certain way "Do you really think so?"
12. (verb)think have or formulate in the mind "think good thoughts"
13. (verb)think be capable of conscious thought "Man is the only creature that thinks"
14. (verb)think bring into a given condition by mental preoccupation "She thought herself into a state of panic over the final exam"
Definitions of 'think'
Webster 1913 Dictionary
1. (verb)think to seem or appear; -- used chiefly in the expressions methinketh or methinks, and methought
Definition of think 
