IPA: /ˈfæbjələsli/
KK: /ˈfæbjələsli/
In a way that is wonderful or extraordinary; remarkably good or impressive.
She dressed fabulously for the party, turning heads wherever she went.
Fabulously → It is formed from "fabula" (meaning story or fable) and the suffix "-ous" (meaning full of). The word "fabulously" means in a manner that is full of stories or extraordinary, often used to describe something remarkable or amazing.
Think of 'fable' as a story, and remember that 'fabulously' describes something that is full of extraordinary qualities, like a great story.