We don't have synonyms for theosophie yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are theosophy, theosophist and theosophic.
(n) :
Archaic spelling of theosophy. [(philosophy, religion) 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.]
(n) :
Archaic spelling of theosophy. [(philosophy, religion) 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.]