Sentence:  The dignity and calm of Isiac faith had something to impress anxious or fickle pagans who were beguiled by the murky occultism of the sects or the <WSD>pandemonism</WSD> of the magicians. 
Meaning of the word marked with <WSD> tags:  Belief that every object (animate or inanimate), idea (abstract or concrete), and action is inhabited by its own independent supernatural spirit; worship of such spirits.