think1/θɪŋk/USA pronunciationv.,thought/θɔt/USA pronunciation think•ing,n. v.
to have a conscious mind that can reason, remember, and make decisions:[not: be + ~-ing; no object]Descartes said, "I think, therefore I am,'' meaning that the capacity to think was central to what it means to be human.
to use one's mind in a reasoning way to make a decision about a given situation:[no object]Think carefully before you act.
to have a certain thing as the subject of one's thoughts: [no object]I was thinking about college the other day.[~ + (that) clause]I was thinking that our college days were the best years of our lives.[used with quotations]"That's odd,'' Alice thought.[~ + object]Think nice thoughts and go to sleep.
to call something to one's conscious mind:[~ + of + object]to think of others less fortunate than we are.
to consider a possible action or plan: [no object]thinking about cutting her hair.[~ + (that) clause]We think that we'll go back to Ithaca some day.
to invent or conceive of something:[~ + of + object]to think of a plan.
to have a belief or opinion:[not: be + ~-ing; ~ + (that) clause]I think she is funny.
to consider a person or thing as indicated: [~ + adjective + of + object]I only think well of her.[~ + object + adjective]He thought me unkind.[~ + object + noun]She thought him a total fool.
to anticipate or expect:[~ + to + verb]I did not think to call you; I know I should have.
think over, to evaluate for possible action: [~ + object + over]Think the deal over and call us tomorrow.[~ + over + object]Think over her offer.
think through or out, to solve by thinking; come up with something by thinking: [~ + through/out + object]to think through a problem.[~ + object + through/out]to think a problem through.
think up, to invent; devise; create; come up with: [~ + up + object]I couldn't think up a better excuse.[~ + object + up]to think something up.