think

an instance of deliberate thinking

I need to give it a good think

bring into a given condition by mental preoccupation

She thought herself into a state of panic over the final exam

recall knowledge from memory; have a recollection

I can't remember saying any such thing

I can't think what her last name was

be capable of conscious thought

Man is the only creature that thinks

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

have or formulate in the mind

think good thoughts

expect, believe, or suppose

I imagine she earned a lot of money with her new novel

I thought to find her in a bad state

judge or regard; look upon; judge

I think he is very smart

I believe her to be very smart

dispose the mind in a certain way

Do you really think so?

have in mind as a purpose

I mean no harm

I only meant to help you

focus one's attention on a certain state

Think big

think thin

ponder; reflect on, or reason about

Think the matter through

Think how hard life in Russia must be these days