Meaning

• An act of thinking; consideration (of something).

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

Meaning

• To ponder, to go over in one's head.

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

• 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."

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

  "I tend to think of her as rather ugly."

• 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."

• To guess; to reckon.

  "I think she’ll pass the examination."

• To plan; to be considering; to be of a mind (to do something).

• To presume; to venture.