Standards on which to base judgements (8)
I believe the answer is:
criteria
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">standards on which to base judgements</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 criteria that I've seen before include "Canons" , "Standards by which judgement can be made" , "Standards for assessment" , "Principles or standards by which to judge" , "Standards on which to base judgement" .)