Theosophy

William Crow Dog received his bachelor's degree in theosophy at South Dakota State University. (PROSE: The Book of the War)

Mathilda was a former member of the Theosophical Society. (PROSE: Wonderland)

When the Eighth Doctor threatened to expose flaws in Zeus' scheme, Zeus dismissed Ganymede under the pretext of discussing "matters of a theosophical nature" with the Doctor. (AUDIO: Immortal Beloved)