Clairvoyance (6,5)
I believe the answer is:
second sight
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">clairvoyance</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for second sight that I've seen before include "Something uncanny" , "not visited at very start of tour?" , "Prophetic vision" , "aware of future potential?" , "extraordinary ability" .)