1. a person who believes in or advocates cosmism, a philosophical or religious worldview emphasizing universal harmony, the unity of all existence, or the spiritual evolution of humanity and the cosmos
Usage: often capitalized when referring to adherents of Russian Cosmism or similar organized movements; philosophical/specialized term

Examples

• The cosmist philosopher argued that all matter and consciousness are interconnected.
• Russian cosmists of the early 20th century envisioned humanity's spiritual and technological transcendence.
• As a cosmist, she believed that individual consciousness participates in a universal cosmic order.
• Cosmist thinkers often explore themes of immortality and the transformation of human nature.
• The cosmist movement attracted intellectuals interested in bridging science, philosophy, and spirituality.