Illuminations (6)
I believe the answer is:
lights
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">illuminations</span>' is the definition.<br/ ><span class="explanation-format__explanation">('light' can be a synonym of 'illumination')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for lights that I've seen before include "Fairy _;" , "Lungs of sheep, pigs etc used as food" , "Windows" , "Innards" , "Christmas tree adornments" .)