IPA: /ˈiːzfəl/
KK: /ˈizfəl/
In a manner that is relaxed and free from difficulty or stress.
She completed the task easefully, without any rush or pressure.
Easefully → It is formed from "ease" (from Old French *aise*, meaning comfort or freedom from pain) and "-fully" (meaning in a manner full of). The word "easefully" means in a manner that is full of comfort or without difficulty.
Think of 'ease' as comfort and remember that 'easefully' means doing something in a comfortable or effortless way.