supernatural accomplishment by invocation or spell.
4.
the practice of legerdemain.
5.
supplication; solemn entreaty.
Origin: 1350–1400; ME conjuracio(u)n (< AF) < L conjūrātiōn- (s. of conjūrātiō), equiv. to conjūrāt(us), ptp. of conjūrāre to swear together (con-con-+ jūr- (s. of jūs) right, justice, duty + -ātus-ate1) + -iōn--ion