Gala or fete (8)
I believe the answer is:
festival
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">gala</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know this)</span><br/ ><br/ >'<span class="explanation-format__original">fete</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know this)</span><br/ ><br/ ></span>
(Other definitions for festival that I've seen before include "Celebration, religious or artistic" , "Period for feasting and celebration" , "Traditionally time of celebration" , "Celebratory event" , "Lift vase (anag.)" .)