Believe

v. i.
  1. To have a firm persuasion, esp. of the truths of religion; to have a persuasion approaching to certainty; to exercise belief or faith.
  2. To think; to suppose.
    3. To believe in
    1. To believe that the subject of the thought (if a person or thing) exists, or (if an event) that it has occurred, or will occur; -- as, to believe in the resurrection of the dead.
    2. To believe that the character, abilities, and purposes of a person are worthy of entire confidence; -- especially that his promises are wholly trustworthy.
    3. To believe that the qualities or effects of an action or state are beneficial: as, to believe in sea bathing, or in abstinence from alcoholic beverages.
    To believe on ,
    to accept implicitly as an object of religious trust or obedience; to have faith in.