The National Spiritualist Association of Churches (NSAC) is an organization that promotes spiritual growth and development through the teachings of Spiritualism. The term "spiritualist" refers to a person who believes in communication with the spirits of the dead, along with other spiritual beliefs and practices. Although there are no direct synonyms for the specific phrase "National Spiritualist Association of Churches," some ideas that may convey similar meanings include spiritualist church, spiritualist organization, metaphysical church, or spiritualist society. These terms all refer to groups that promote spiritualism and its teachings, and offer a community for like-minded individuals to explore and grow their spiritual beliefs.