IPA: /bɪˈɡaɪlɪŋli/
KK: /bɪˈɡaɪlɪŋli/
In a way that is charming or attractive, often in a deceptive manner.
She spoke beguilingly, drawing everyone into her story.
Beguilingly → It is formed from "beguile" (from Old French *beguiller*, meaning to deceive or lead astray) and the suffix "-ingly" (meaning in a manner of). The word "beguilingly" means in a manner that deceives or charms.
Think of someone leading you astray ('beguile') in a charming way ('-ingly') — that's why beguilingly means doing something in a deceptive or charming manner.