A channeller is someone who is believed to have the ability to communicate with spirits or entities from another realm. Some synonyms for this word include medium, psychic, clairvoyant, and spiritualist. A medium is someone who can communicate with the dead or spirits, while a psychic has the ability to perceive and interpret information beyond the physical senses. A clairvoyant is someone who possesses the ability to see and perceive beyond the physical senses, while a spiritualist is someone who believes in communicating with the spirits of the dead. These terms are often used interchangeably and describe individuals who possess unique abilities to connect with the spiritual world.