Crossword Genius

One day isles to the west, rejecting society, become peaceful (7)

Ross

I believe the answer is:

idyllic

I'm a little stuck... Click here to teach me more about this clue!

'peaceful' is the definition.
(I've seen this in another clue)

'one day isles to the west rejecting society' is the wordplay.
I cannot really see how this works, but
'one' could be 'li' (I've seen this in other clues) and 'li' is located in the answer.
'day' could be 'd' (abbreviation for day) and 'd' is found within the answer.
This may be the basis of clue (or it may be nonsense).

'become' acts as a link.

Can you help me to learn more?

(Other definitions for idyllic that I've seen before include "Delightful in every respect" , "Arcadian, peaceful" , "Blissfully peaceful" , "Blissful, peaceful" , "Peaceful and happy, quite perfect" .)

I've seen this clue in The Independent.
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