Spanish festival (6)
I believe the answer is:
fiesta
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">spanish festival</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 fiesta that I've seen before include "Festivity, celebration" , "Public celebration in Spain" , "Spanish holiday" , "A Spanish public celebration" , "Feast day" .)