What does "conjuration" mean?

Conjuration: The act or process of invoking supernatural aid by the use of a magical form of words; the practice of magic arts; incantation; enchantment. Pretended conjurations and prophecies of that event. Hallam.

Additional senses

  1. 2.A league for a criminal purpose; conspiracy. [Obs.] "The conjuration of Catiline." Sir T. Elyot.

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