The most common and most likely answer to this crossword clue is the 5 letter word ENACT
I've seen this crossword clue in The Guardian
E
N
A
C
T
More clues leading to the result ENACT
- Perform in French before a court
- Perform in between activities
- Order stick to be raised on time
- Screen actor’s part in play
- Take part of sheetand stick back
- Execute, having brought about last of carrot and stick
- Pass one bill in ten after amendment
- “Bring back corporal punishment” — tyrant’s first decree
- Make it lawful to bring back corporal punishment by head teacher
- Order English knight before a court
Buddy explains!

The straight part
We know that "Execute/Execute" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case execute/execute = enact.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 ENACT mean?
ENACT noun- Purpose; determination
- To make (a bill) into law
- To act the part of; to play
- To do; to effect