mys·ti·cism
/ˈmistəˌsiz(ə)m/
noun
belief that union with or absorption into the Deity or the absolute, or the spiritual apprehension of knowledge inaccessible to the intellect, may be attained through contemplation and self-surrender.
"St. Theresa's writings were part of the tradition of Christian mysticism"
belief characterized by self-delusion or dreamy confusion of thought, especially when based on the assumption of occult qualities or mysterious agencies.
"there is a hint of New Age mysticism in the show's title"