The term immaterialist refers to someone who rejects the idea of materialism and physical objects as the only reality. Some synonyms for immaterialist include idealist, spiritualist, and metaphysician. The idealist believes that reality is derived from the mind or ideas, while the spiritualist places emphasis on supernatural phenomena and entities. The metaphysician explores the fundamental nature of reality and seeks to understand the relationship between mind and matter. Other related terms include non-materialist, non-physicalist, and anti-realist. In essence, these synonyms highlight the various perspectives that individuals may adopt in rejecting the primacy of purely physical explanations and phenomena.