The most common and most likely answer to this crossword clue is the 5 letter word ERECT
I've seen this crossword clue in The Daily Telegraph
E
R
E
C
T
More clues leading to the result ERECT
Buddy explains!

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 ERECT mean?
ERECT adjective- Upright; vertical or reaching broadly upwards.
- (of body parts) Rigid, firm; standing out perpendicularly, especially as the result of stimulation.
- (of a man) Having an erect penis
- Bold; confident; free from depression; undismayed.
- Directed upward; raised; uplifted.
- Watchful; alert.
- Elevated, as the tips of wings, heads of serpents, etc.
- To put up by the fitting together of materials or parts.
- To cause to stand up or out.
- To raise and place in an upright or perpendicular position; to set upright; to raise.
- To lift up; to elevate; to exalt; to magnify.
- To animate; to encourage; to cheer.
- To cast or draw up (a figure of the heavens, horoscope etc.).
- To set up as an assertion or consequence from premises, etc.
- To set up or establish; to found; to form; to institute.