Just reasons for providing entertainment sites (11)

I believe the answer is:

fairgrounds

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'entertainment sites' is the definition.
The answer and definition can be both locations as well as being plural nouns.
Perhaps they are linked in a way I don't understand?

'just reasons' is the wordplay.
'just' becomes 'fair' (just can mean fair in the sense of showing justice).
'reasons' becomes 'grounds' (grounds or reasons for an action).
'fair'+'grounds'='FAIRGROUNDS'

'for providing' acts as a link.

Can you help me to learn more?

(Another definition for fairgrounds that I've seen is " amusement parks?".)

I've seen this clue in The Irish Independent.

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