IPA: /ˈmɑːvələsli/
KK: /ˈmɑrvələsli/
In a way that is wonderful or amazing.
She performed marvellously in the competition, impressing everyone with her skills.
**Marvellously** → It is formed from "marvel" (from Old French *merveille*, meaning wonder or surprise) and the suffix "-ously" (meaning in a manner of). The word "marvellously" means in a manner that inspires wonder or amazement.
Think of the word 'marvel' which means to be filled with wonder, and remember that 'marvellously' describes doing something in a way that inspires that same sense of wonder.
No commonly confused words.