Used to call attention to or express satisfaction with something that is presented or something that has been accomplished: Mix the ingredients, chill, and—voilà!—a light, tasty dessert.
Origin of voilaFrench : voi, second person sing. imperative of voir, to see (from Old French; see voyeur) + là, there (from Old French la, lai, probably from Latin illāc, by that way : illā, ablative sing. feminine of ille, that; see al-1 in Indo-European roots + -ce, deictic particle).
OriginSee also: voila
From the French voilà.