Fess up (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fess up</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 admit that I've seen before include "Recognise" , "Profess" , "Agree to the truth" , "Stop being obstructive" , "Reveal" .)
(Another definition for admitit that I've seen is " demand made by 11 [PRIVATE EYE] ?".)