Esoteric

·add. ·noun An esoteric doctrine or treatise; esoteric philosophy; esoterics.

II. Esoteric ·add. ·noun One who believes, or is an initiate, in esoteric doctrines or rites.

III. Esoteric ·add. ·adj Marked by secrecy or privacy; private; select; confidential; as, an esoteric purpose; an esoteric meeting.

IV. Esoteric ·adj Designed for, and understood by, the specially initiated alone; not communicated, or not intelligible, to the general body of followers; private; interior; acroamatic;

— said of the private and more recondite instructions and doctrines of philosophers. Opposed to exoteric.