• enPR: thĭngk, IPA: /θɪŋk/
• (Appalachian) IPA: [θæŋk]

think (thinks, present participle thinking; past and past participle thought)

1. (transitive) To ponder, to go over in one's head.

   Idly, the detective thought what his next move should be.

   • 1908, W[illiam] B[lair] M[orton] Ferguson, chapter IV, in Zollenstein, New York, N.Y.: D. Appleton & Company, OCLC 731476803 ↗:

     So this was my future home, I thought! Certainly it made a brave picture. I had seen similar ones fired-in on many a Heidelberg stein. Backed by towering hills, […] a sky of palest Gobelin flecked with fat, fleecy little clouds, it in truth looked a dear little city; the city of one's dreams.

2. (intransitive) To communicate to oneself in one's mind, to try to find a solution to a problem.

   I thought for three hours about the problem and still couldn’t find the solution.

3. (intransitive) To conceive of something or someone (usually followed by of; infrequently, by on).

   I tend to think of her as rather ugly.

4. (transitive) To be of opinion (that); to consider, judge, regard, or look upon (something) as.

   At the time I thought his adamant refusal to give in right.

   I hope you won’t think me stupid if I ask you what that means.

   I think she is pretty, contrary to most people.

   • 1865, Henry David Thoreau, Cape Cod, Chapter IX. "The Sea and the Desert", page 182.

     […] one man showed me a young oak which he had transplanted from behind the town, thinking it an apple-tree.

5. (transitive) To guess; to reckon.

   I think she’ll pass the examination.

6. To plan; to be considering; to be of a mind (to do something).
   • , Sir Walter Scott, Ivanhoe

     The cupbearer shrugged up his shoulders in displeasure. "I thought to have lodged him in the solere chamber," said he […]

7. To presume; to venture.
   • 1611, The Holy Bible, […] (King James Version), imprinted at London: By Robert Barker, […], OCLC 964384981 ↗, Matthew 3:9 ↗:

     Think not to say within yourselves, We have Abraham to our father.

• (ponder) seeSynonyms en
• (communicate to oneself in one's mind) seeSynonyms en
• (be of the opinion (that)) seeSynonyms en
• (guess, reckon) guess seeSynonyms en
• (consider, judge, regard something as) seeSynonyms en

• forthink
• thought
• thunk
• thank

• French: réfléchir à, ruminer, penser
• German: nachdenken, überlegen
• Italian: cogitare, pensare, ponderare
• Portuguese: pensar
• Russian: обду́мывать
• Spanish: pensar

• French: penser, réfléchir, songer
• German: denken
• Italian: pensare, riflettere, rimuginare
• Portuguese: pensar, refletir
• Russian: ду́мать
• Spanish: pensar

• French: trouver, considérer, voir
• Italian: ritenere, considerare, reputare
• Portuguese: achar, considerar, ter por, ter como
• Russian: счита́ть

• French: penser, considérer, être d'avis, estimer, croire, trouver
• German: denken, finden (esp. Switzerland), meinen
• Italian: credere, pensare, ritenere
• Portuguese: achar
• Russian: ду́мать
• Spanish: pensar, creer, opinar

• French: penser, croire, estimer
• German: denken, glauben
• Italian: credere, pensare, supporre
• Portuguese: achar
• Russian: ду́мать
• Spanish: suponer, pensar

• French: trouver, considérer
• German: halten für
• Italian: considerare, trovare
• Portuguese: achar, considerar
• Russian: ду́мать
• Spanish: creer

think (uncountable)

1. (chiefly, UK) An act of thinking; consideration (of something).

   I'll have a think about that and let you know.

• French: pensée, réflexion
• German: Gedanke, Denke
• Portuguese: pensada
• Russian: размышление
• Spanish: pensada, pensamiento

think (thinks, present participle thinking; past thought, past participle thought)

1. (obsolete except in methinks) To seem, to appear.
   • 1485, Sir Thomas Malory, [http://quod.lib.umich.edu/c/cme/MaloryWks2/1:17.5?rgn=div2;view=fulltext chapter v], in Le Morte Darthur, book XV:

     And whanne syr launcelot sawe he myghte not ryde vp in to the montayne / he there alyghte vnder an Appel tree / […] / And then he leid hym doune to slepe / And thenne hym thoughte there came an old man afore hym / the whiche sayd A launcelot of euylle feythe and poure byleue / wherfor is thy wille tourned soo lyghtely toward thy dedely synne

• Portuguese: parecer