ESOTERIC

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

2. esoteric ·add. ·noun one who believes, or is an initiate, in esoteric doctrines or rites.

3. esoteric ·add. ·adj marked by secrecy or privacy; private; select; confidential; as, an esoteric purpose; an esoteric meeting.

4. 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.