[the.os.o.phy] n [ML theosophia, fr. LGk, fr. Gk the- + sophia wisdom--more at -sophy] (1650) 1: teaching about God and the world based on mystical insight
2. often cap: the teachings of a modern movement originating in the U.S. in 1875 and following chiefly Buddhist and Brahmanic theories esp. of pantheistic evolution and reincarnation -- theo.soph.i.cal adj -- theo.soph.i.cal.ly adv