Mention freer arrangement (5)

I believe the answer is:

refer

'mention' is the definition.
(I know that mention can be written as refer)

'freer arrangement' is the wordplay.
'arrangement' is an anagram indicator.
'freer' with letters rearranged gives 'REFER'.

(Other definitions for refer that I've seen before include "Fail (an exam candidate)" , "Advert, mention" , "Be relevant (to)" , "Pertain; assign" , "If special treatment needed, GP might do this" .)

I've seen this clue in The Mirror.

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