verb
1.
to form an idea of something in the mind
try to think exactly how the accident happened
Synonyms: conceive, envisage, envision, fancy, feature, image, imagine, project, realize, see, vision, visualize
Related Word: consider, contemplate, study, weigh; appreciate, comprehend, understand; cerebrate, ideate; conjecture, guess, surmise
2.
Synonyms: understand 3, assume, believe, expect, gather, imagine, ||reckon, suppose, suspect, take
3.
Synonyms: conjecture , guess, presume, pretend, suppose, surmise
4.
Synonyms: feel 3, believe, consider, credit, deem, hold, sense
Related Word: estimate; regard
5.
to use one's powers of conception, judgment, or inference
the power to think sets humans apart from other animals
Synonyms: cerebrate, cogitate, deliberate, reason, reflect, speculate
Related Word: consider, contemplate; brood, meditate, mull, muse, ponder, ruminate; intellectualize, logicalize, logicize, rationalize; conclude, deduce, infer, judge
Idioms: put on one's thinking cap, set one's brain to work, use one's head, use the old bean