Synonyms for Conjuration (same or very similar meaning)
WordNet sense 1 (a ritual recitation of words or sounds believed to have a magical effect):
incantationWordNet sense 2 (calling up a spirit or devil):
invocation, conjury, conjuringWordNet sense 3 (an illusory feat; considered magical by naive observers):
deception, illusion, legerdemain, magic, thaumaturgy, trick, magic trick, conjuring trickFrom the ODE community, based on WordNetadd/edit