mys·tic 
(m
ĭs
t
ĭk)
adj.1. a. Of or relating to mysticism or mystics: mystic doctrines.
b. Deeply or mysteriously spiritual; mystical: mystic experiences.
c. Of or relating to religious mysteries or occult rites and practices.
2. Inspiring a sense of mystery or wonder: a painting of a mystic landscape.
n. One who practices or believes in mysticism or a given form of mysticism: Protestant mystics.
[Middle English mystik, from Latin mysticus, from Greek mustikos, from mustēs, initiate; see MYSTERY1.]