Relating to the immediate surroundings (7)
I believe the answer is:
ambient
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">relating to the immediate surroundings</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 ambient that I've seen before include "Bait men to find surrounding, say, light" , "Relating to the immediate environs" , "Surrounding, temperature perhaps" , "Relating to the immediate environment" , "air" .)