Definition of "Think" :
noun: an instance of deliberate thinking
"I need to give it a good think."
verb: bring into a given condition by mental preoccupation
verb: recall knowledge from memory; have a recollection
"I can't think what her last name was."
verb: be capable of conscious thought
"Man is the only creature that thinks."
verb: use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments
"I've been thinking all day and getting nowhere."
verb: have or formulate in the mind
"Think good thoughts."
verb: expect, believe, or suppose
"He didn't think to find her in the kitchen."
verb: judge or regard; look upon; judge
"I think he is very smart."
verb: dispose the mind in a certain way
"Do you really think so?."
verb: have in mind as a purpose
"She didn't think to harm me."
verb: focus one's attention on a certain state
"Think big."
verb: ponder; reflect on, or reason about
"Think the matter through."
verb: decide by pondering, reasoning, or reflecting
"Can you think what to do next?."
verb: imagine or visualize
"Just think--you could be rich one day!."