Source: The Collaborative International Dictionary of English v.0.48
Mysticism \Mys"ti*cism\, n. [Cf. F. mysticisme.]
1. Obscurity of doctrine.
[1913 Webster]
2. (Eccl. Hist.) The doctrine of the Mystics, who professed a
pure, sublime, and wholly disinterested devotion, and
maintained that they had direct intercourse with the
divine Spirit, and aquired a knowledge of God and of
spiritual things unattainable by the natural intellect,
and such as can not be analyzed or explained.
[1913 Webster]
3. (Philos.) The doctrine that the ultimate elements or
principles of knowledge or belief are gained by an act or
process akin to feeling or faith.
[1913 Webster]