IPA: /rɪˈzʌltfəl/
KK: /rɪˈzʌltfəl/
Having positive outcomes or effects; producing results.
The team's resultful efforts led to a successful project completion.
Resultful → It is formed from "result" (from Latin "resultare", meaning to spring back or to follow) and "-ful" (meaning full of). The word "resultful" means full of results or yielding results.
Think of something that is 'full of results' — 'result' comes from the idea of something springing back, and '-ful' means full.