A devotionalist is a person who is religiously devoted and practices their beliefs with passion. Synonyms for this word include devout, pious, reverent, spiritual, and faithful. These terms all describe someone who spends time in prayer or meditation, worships regularly, and is committed to their faith. Other synonyms may include dedicated, committed, and loyal, which also suggest a strong sense of devotion and loyalty to one's beliefs. While these words may have slightly different connotations, they all convey a similar message of someone who takes their faith seriously and is dedicated to living their life in accordance with their values.