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. (31) I think the engine's overheating again.
(32) 'I don't think so!' she replied tartly.
(33) 'Do you think it will rain?' 'I hope not.'
(34) I think I've caught a bug.
(35) Police think the murders are linked.
(36) Personally I think it's a waste of time.
(37) I think their marriage is on the rocks.
(38) She said she needs time to think it over.
(39) I don't think he is telling the truth. Sentencedict.com
(40) I think he can rake in ￡500 a week.
(41) I think he has a crush on u.
(42) What do you think you are doing?
(43) The neighbours must think we're crazy.
(44) Think things through before you act.
(45) She would think him churlish if he refused.
(46) I don't think he would allow it.
(47) I think it is a matter of opinion.
(48) I think she's in love with you.
(49) I think I'll give the fish course a miss.
(50) I think more customers probably prefer a soft sell.
(51) Who do you think will get most votes?
(52) I think it's a good idea.
(53) I'm too tired even to think.
(54) I think silk ties can be quite nice.
(55) I suppose you think that's funny, do you? .
(56) I don't think we can afford the expense.
(57) I think he is shallow, vain and untrustworthy.
(58) I think I'll tackle the repairs next weekend.
(59) I do not think he is considering Emma's welfare.
(60) First, you have to think logically about your fears.
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.