IPA: //ˈfiːstfəl//
KK: /ˈfiːstfəl/
Relating to a feast; characterized by joy, luxury, or celebration.
The feastful atmosphere at the wedding made everyone feel joyful and excited.
Comparative: more feastful
Superlative: most feastful
Feastful → It is formed from "feast" (from Old French *feste*, meaning a celebration or banquet) and "-ful" (meaning full of). The word "feastful" means full of feasting or characterized by a feast.
Think of a celebration or banquet ('feast') that is 'full of' joy and abundance, which is what 'feastful' describes.