obiism(n = noun.cognition) - belief in a kind of sorcery that originated in Africa and is practiced in the West Indies;
is a kind of black art, black magic, necromancy, sorcery

   Belief in, or the practice of, the obi superstitions and rites. [Webster 1913 Suppl.]

N  sorcery, occult art, occult sciences, magic, the black art, necromancy, theurgy, thaumaturgy, demonology, demonomy, demonship, diablerie, bedevilment, witchcraft, witchery, glamor, fetishism, fetichism, feticism, ghost dance, hoodoo, obi, obiism, voodoo, voodooism, Shamanism (Esquimaux), vampirism, conjuration, bewitchery, exorcism, enchantment, mysticism, second sight, mesmerism, animal magnetism, od force, odylic force, electrobiology, clairvoyance, spiritualism, spirit rapping, table turning, divination, sortilege, ordeal, sortes Virgilianae, hocus-pocus, magic, magical, mystic, weird, cabalistic, talismanic, phylacteric, incantatory, charmed, Circean, odylic, voodoo.