Turns to an arrangement giving credit (2,5)

I believe the answer is:

on trust

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'credit' is the definition.
I don't know anything about this answer so I cannot judge whether this works.

'turns to an arrangement' is the wordplay.
'an arrangement' is an anagram indicator.
'turns'+'to'='turnsto'
'turnsto' with letters rearranged gives 'ON TRUST'.

'giving' acts as a link.

Can you help me to learn more?

(Another definition for on trust that I've seen is " accepted without question".)

I've seen this clue in The Irish News.

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