Of assistance (7)
I believe the answer is:
helpful
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">of assistance</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for helpful that I've seen before include "Willing to be of assistance" , "Obliging" , "Being of assistance or use" , "Ready to assist" , "Providing assistance" .)