ETYM Latin conjuratio, cf. French conjuration.
1. The act of calling or summoning by a sacred name, or in solemn manner; the act of binding by an oath; an earnest entreaty; adjuration.
2. The act or process of invoking supernatural aid by the use of a magical form of words; the practice of magic arts; incantation; enchantment.
3. A league for a criminal purpose; conspiracy.