On one occasion he demonstrated to an astonished crowd how a visiting spiritualist had produced apparently ghostly occurrences.
Hearing about miraculous happenings in local spiritualist churches, he decided to see for himself.
For many years he was considered the representative spiritualist of the world.
Word Origin and History for spiritualist
n.
1852, "one who believes in the ability of the living to communicate with the dead via a medium," from spiritual + -ist (also see spirit).
Every two or three years the Americans have a paroxysm of humbug -- ... at the present time it is Spiritual-ism. [J.Dix, "Transatlantic Tracings," 1853]