Arrangement for viewing (9)

I believe the answer is:

provision

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'arrangement' is the definition.
(thesaurus)

'for viewing' is the wordplay.
'for' becomes 'pro' (as in being 'pro' something).
'viewing' becomes 'vision' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'pro'+'vision'='PROVISION'

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(Other definitions for provision that I've seen before include "facilities" , "prior measures made" , "Keep supplied" , "Something supplied" , "Supply; condition" .)

I've seen this clue in The Globe and Mail.

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