IPA: /bɪˈwɪtʃɪŋli/
KK: /bɪˈwɪtʃɪŋli/
In a way that is charming or enchanting, often to the point of being irresistible.
She danced bewitchingly, captivating everyone in the audience.
Bewitchingly → It is formed from "be-" (meaning to cause to be) and "witch" (from Old English *wicce*, meaning a female sorcerer or enchantress) and the suffix "-ingly" (meaning in a manner). The word "bewitchingly" means in a manner that causes enchantment or fascination, as if by magic.
Think of someone causing you to 'be' enchanted ('be-') by a 'witch' — that's why 'bewitchingly' means in a way that enchants or fascinates.