adjective
occult
uh-KULT/əˈkʌlt/
Relating to magic, supernatural powers, or hidden mystical knowledge.
The crystal ball and divination cards suggest occult practices.

Etymology
What was hidden or concealed came to mean knowledge beyond ordinary understanding, then mystical secrets.
More examples
- The book explores occult traditions.
- He collects works on occult symbolism.
Forms
occult
Similar words
- esoteric
- Known to a small group, without necessarily supernatural content.
- mystical
- Relates to spiritual mysteries or experiences.