Appropriately (5)
I believe the answer is:
aptly
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">appropriately</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for aptly that I've seen before include "In suitable fashion" , "as is fitting" , "Appropriately" , "In a competent manner" , "In a suitable manner" .)