Easily sufficient (5)
I believe the answer is:
ample
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">easily sufficient</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for ample that I've seen before include "Plentiful; large" , "Full-figured" , "Buxom" , "Sealed glass container for dose of medicine" , "Generous" .)