1. To have confidence in the truth, the existence, or the reliability of something, although without absolute proof that a person is right in doing so: Tomeka believes that the party on Saturday night will be lots of fun.
2. To have confidence or faith in the truth of something; to give credence to: Chuck believed that the story in the newspaper was true and honest.
3. To have confidence in the assertions or statements of a person: Ashton believes that her friend will still trust her when she tells him what really caused the accident when she borrowed his car.
4. To have a conviction that a person or thing is, has been, or will be engaged in a given action or involved in a given situation: Thomas believes that his horse will be the winner in the upcoming steeplechase race.
5. To be persuaded of the truth or existence of something: There is much to be said for the old adage, "seeing is believing".
6. To have faith in the reliability, honesty, benevolence, etc., of someone or something: Joleen's friend truly believes that he was right in deciding to go on holidays in December.