"Theism" belongs to that genus of disease in which morphinism, caffeinism, and vanillaism belong.
1888, John C. Cutter, “Narcotics, stimulants, and depressants”, in Comprehensive anatomy, physiology, and hygiene : adapted for schools, academies, colleges, and families : with instruction on the effects of stimulants and narcotics, and brief directions for illustrative dissections of mammals, for elementary work with the microscope, for physiological demonstrations on the human body, and for the management of emergent cases, 3rd edition, Philadelphia: J. B. Lippincott, page 350