Mesmerise (8)
I believe the answer is:
entrance
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">mesmerise</span>' is the definition.<br/ ><span class="explanation-format__explanation">(entrancing is a kind of mesmerizing)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for entrance that I've seen before include "lobby?" , "Enchant" , "doorway" , "Capture" , "Hold" .)