1. Anyone who is persuaded of the truth or reality of some doctrine, person, or thing: Shirley is a strong believer that it is wise to continue one's education even into later years.
2. People who accept the truth of the scriptures of their religious faith: During the interfaith service in the park, many believers gathered to celebrate their friendships.
3. A person who accepts something as true or real: Bill, are you actually a believer of the story that was written in the news today?
4. Someone who accepts the veracity or truth of a situation: Mildred was doubtful that she could run her own company, but she has made a believer out of her husband.
5. A person who thinks or expects something to happen: Elaina is a believer that her sister will really arrive the day she promised.