The most common and most likely answer to this crossword clue is the 9 letter word THEOSOPHY
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More clues leading to the result THEOSOPHY
- A man’s work introducing extremely holy religious doctrine
- They must save old soak ultimately with divine inspiration
- Divine wisdom in article by old, old ruler of Persia
- . Old work in attempt to support the belief system
- Mystical system Henry introduced to strange Soho type
- Belief system of those people — “Saving nothing, shop around”
- Unnamed persons picking up deformed hoops for a spiritual movement
- System of belief of those people gathering round second-year student
Buddy explains!

The straight part
We know that "spiritual movement" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case spiritual movement = theosophy.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does THEOSOPHY mean?
THEOSOPHY noun- Any doctrine of religious philosophy and mysticism claiming that knowledge of God can be attained through mystical insight and spiritual ecstasy, and that direct communication with the transcendent world is possible.
- Any system which claims to attain communication with God and superior spirits by physical processes.
- The system of beliefs and doctrines of the Theosophical Society.