The most common and most likely answer to this crossword clue is the 5 letter word IDYLL
I've seen this crossword clue in Financial Times
I
D
Y
L
L
More clues leading to the result IDYLL
- Group of jolly dimwits set up a happy scene
- Perfect situation, part equally distributed served up
- Picturesque scene over in Caerphilly district
- One talks of herb in rustic scene
- Arcadia, say, some beautifully displayed, uplifted
- Some fully discussed retrospective poem
- Poem writer would finish in twenty lines
- Some silly dispute about poem
- Lily excited about daughter making up a poem
- No metre in mildly quirky poem
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 IDYLL mean?
IDYLL noun- Any poem or short written piece composed in the style of Theocritus' short pastoral poems, the Idylls.
- An episode or series of events or circumstances of pastoral or rural simplicity, fit for an idyll; a carefree or lighthearted experience.
- A composition, usually instrumental, of a pastoral or sentimental character, e.g. Siegfried Idyll by Richard Wagner.