Fideistic is a term that refers to beliefs based on faith rather than reason or evidence. Synonyms for fideistic include religious, doctrinal, dogmatic, creedal, and faith-based. All of these words indicate a belief that is based on faith in a particular religion or set of principles. Some other synonyms for fideistic include theological, devotional, spiritual, and mystical. These words all point to a deep and personal connection to faith or belief, often emphasizing emotional or intuitive responses rather than intellectual ones. Regardless of the specific word chosen, all synonyms for fideistic speak to a belief that is based on faith rather than empirical evidence.