Dictionary definition · think
noun
- an instance of deliberate thinking"I need to give it a good think"
verb
- judge or regard; look upon; judge"I think he is very smart"
- expect, believe, or suppose"I imagine she earned a lot of money with her new novel"
- 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"
- recall knowledge from memory; have a recollection"I can't remember saying any such thing"
- imagine or visualize"Just think — you could be rich one day!"
- focus one's attention on a certain state"Think big"
- have in mind as a purpose"I mean no harm"
- decide by pondering, reasoning, or reflecting"Can you think what to do next?"
- ponder; reflect on, or reason about"Think the matter through"
- dispose the mind in a certain way"Do you really think so?"
- have or formulate in the mind"think good thoughts"
Source: Open English WordNet (CC BY 4.0).