(idiomatic) Bewitched, held by the power of a magical spell.
Under-a-spell Sentence Examples
Coincidently with the persistence of the tonic contraction, the higher and volitional centres seem to lie under a spell of inhibition; their action, which would complete or cut short the posture-spasm, rests in abeyance.
The claim that Muhammad did anything at any time without consciousness or under a spell is a sheer fabrication and hence devoid of truth.
It describes a virtuous maiden who is put under a spell by an evil sorceress.