Metapsychism is a term that refers to a philosophy that explores the nature of reality beyond physical existence. It is often associated with spiritualism, mysticism, and the paranormal. However, there are other words that can be used in place of metapsychism, such as metaphysics, transcendentalism, and ontology. Each of these words highlights a different aspect of the study of reality. Metaphysics generally refers to the study of existence and essence, while transcendentalism focuses on spiritual or mystical beliefs. Ontology, on the other hand, deals with the nature of being and reality. All of these terms can be used interchangeably with metapsychism to describe a philosophical approach to understanding the world around us.