IPA: /ɪˈleɪtɪdli/
KK: /ɪˈleɪtɪdli/
In a very happy or joyful way.
She danced elatedly when she heard the good news.
Elatedly → It is formed from "elated" (from Latin "elatus", meaning raised or lifted up) and the suffix "-ly" (meaning in a manner of). The word "elatedly" means in a manner that is raised up or filled with joy.
Think of being 'lifted up' ('elatus') in happiness — that's why 'elatedly' means to express joy in a lifted or happy manner.