Synonyms and related words :
anagoge, anagogics, anthroposophy, arcanum, cabalism, classified information, confidence, confidential communication, enigma, esoterica, esotericism, esoterics, esoterism, esotery, guarded secret, hermetics, hocus-pocus, mumbo jumbo, mystery, mystery of mysteries, mysticism, mystification, occultism, personal matter, private matter, privileged communication, privity, profound secret, restricted information, sealed book, secret, symbolics, symbolism, the occult, yoga, yogeeism, yogism