IPA: /ˈɡreɪs.fəl.nəs/
KK: /ˈɡreɪsflnəs/
The quality of being elegant and smooth in movement or appearance.
The dancer moved with such gracefulness that the audience was captivated.
Gracefulness → It is formed from "grace" (from Latin *gratia*, meaning favor or goodwill) and "-fulness" (meaning the state of being full of). The word "gracefulness" means the state of being full of grace or elegance.
Think of 'grace' as favor or elegance, and remember that 'gracefulness' means being full of grace.