Definition of "Believe" :
verb: accept as true; take to be true
"I believed his report."
verb: credit with veracity
"You cannot believe this man."
verb: follow a credo; have a faith; be a believer
"When you hear his sermons, you will be able to believe, too."
verb: judge or regard; look upon; judge
"I believe her to be very smart."
verb: be confident about something
"I believe that he will come back from the war."