Allows to enter (6)
(Other definitions for admits that I've seen before include "Takes in" , "Lets in and confesses" , "Does not deny" , "Allows in or accepts guilt" , "Owns up or grants entrance to" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">allows to enter</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>