In a way that is impressively bright, shiny, and amazing; with bedazzling quality or effect.
From 'bedazzling' plus the adverbial suffix '-ly,' which transforms adjectives into adverbs. The '-ly' suffix derives from Old English '-lice,' meaning 'in the manner of.'
The '-ly' adverb suffix is so common that English speakers barely notice it, but it's incredibly powerful—it lets you turn almost any quality into a manner of doing something. 'Beautifully,' 'carefully,' 'bedazzlingly'—they all follow the same pattern that's been productive in English for over a thousand years.
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