Remote from or beyond human comprehension; baffling human understanding; unknowable; obscure; mysterious.

Spiritual and imaginative.

having a spiritual meaning or reality that is neither apparent to the senses nor obvious to the intelligence. Direct communion with God or ultimate reality

(1) Of or having a spiritual reality or import not apparent to the intelligence or senses. (2) Of, relating to, or stemming from direct communion with ultimate reality or Deity: a mystical religion. (3) Of or relating to mystic rites or practices.