The most common and most likely answer to this crossword clue is the 5 letter word VOILÀ
I've seen this crossword clue in The Guardian
V
O
I
L
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More clues leading to the result VOILÀ
- Fiddle one misplaced? There it is!
- The French see fuel in tank reduced by a third
- Behold Shakespearean heroine with retrograde moon
- Behold Victoria and Albert’s framed painting
- Frenchman’s expression when making presentation
- Behold — there’s black gold in Virginia!
- Mot juste for a dramatic production?
- There you go! Empty space finally given away to the Spanish
- Fuel found in Virginia. There it is!
- Cry on unveiling petroleum found in Virginia
Buddy explains!

The straight part
We know that "Behold" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case behold = voilÀ.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does VOILÀ mean?
VOILÀ interjection- Lo, there it is; see here; ta-da; presto; behold!