Synonym: concentrate, conclude, consider, contemplate, deliberate, expect, gather, guess, imagine, infer, judge, meditate, ponder, reason, study, suppose, suspect, theorize, understand. Similar words: think out, think up, think of, think over, think twice, thin, thing, within. Meaning: [θɪŋk] 
n. an instance of deliberate thinking. v. 1. judge or regard; look upon; judge 2. expect, believe, or suppose 3. use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments 4. recall knowledge from memory; have a recollection 5. imagine or visualize 6. focus one's attention on a certain state 7. have in mind as a purpose 8. decide by pondering, reasoning, or reflecting 9. ponder; reflect on, or reason about 10. dispose the mind in a certain way 11. have or formulate in the mind 12. be capable of conscious thought 13. bring into a given condition by mental preoccupation.
n. an instance of deliberate thinking. v. 1. judge or regard; look upon; judge 2. expect, believe, or suppose 3. use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments 4. recall knowledge from memory; have a recollection 5. imagine or visualize 6. focus one's attention on a certain state 7. have in mind as a purpose 8. decide by pondering, reasoning, or reflecting 9. ponder; reflect on, or reason about 10. dispose the mind in a certain way 11. have or formulate in the mind 12. be capable of conscious thought 13. bring into a given condition by mental preoccupation. 
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(91) How does this final presidential debate stack up and compare to the others, do you think?
(92) I think he's a little weary after his long journey.
(93) Don't think you can make a fool out of me.
(94) I'll have to cook them a meal or they'll think I'm inhospitable.
(95) I think we've discussed everything we need to - by the way, what time is it?
(96) Notwithstanding some members' objections, I think we must go ahead with the plan.
(97) I think I'll have some more of that yummy chocolate cake.
(98) I don't think anything is unrealistic if you believe you can do it.
(99) I didn't think she was old enough for the responsibility.
(100) If you think the job will be easy,(sentencedict .com) you're in for a shock.
(101) The boffins of Imperial College in London think they may have found a solution.
(102) Please don't think I mistrust you, but I would prefer to have our agreement in black and white.
(103) I'm only going on what I overheard him saying to Chris, but I think he's planning to leave next month.
(104) As the market opens up, I think people are going to be able to spend more money on consumer goods.
(105) The car won't start. Do you think it's an omen?
(106) It is easier to think in concrete terms rather than in the abstract.
(107) This room smells a bit fusty - I think I'll just open a window.
(108) It upsets me to think of her all alone in that big house.
(109) Home. I'll go home. And I'll think of someway to get him back. After all, tomorrow is another day.
(110) I think I've been very selfish. I've been mainly concerned with myself.
(111) Some people think that 'fireman' is a sexist term, and prefer the politically correct term 'firefighter'.
(112) I don't think people are really aware of just how much it costs.
(113) I can't think of her name - it'll come back to me later.
(114) If we'd all work together, I think we could accomplish our goal.
(115) A drop of ink may make a million think. Lord Byron 
(116) Silence is golden when you can't think of a good answer. Muhammad Ali
(117) Religions all have different names, but they all contain the same truths. I think the people of our religion should be tolerant and understand people believe different things. Muhammad Ali
(118) Be more concerned with your character than your reputation, because your character is what you really are, while your reputation is merely what others think you are. John Wooden
(119) They deem me mad because I will not sell my days for gold; and I deem them mad because they think my days have a price. Kahlil Gibran
(120) I think when the full horror of being fifty hits you, you should stay home and have a good cry. Josh Billings
More similar words: think out, think up, think of, think over, think twice, thin, thing, within, nothing, anything, writhing, clothing, nothing but, something, anything but, breathing, everything, something of, something else, something like, pink, link, blink, link up, shrink, drink up, drink to, sprinkle, drink down, this.