Crossword Genius

Set for scan? Why? (5)

Ross

I believe the answer is:

ready

'set' is the definition.
('ready' can be a synonym of 'set')

'scan? why?' is the wordplay.
'scan?' becomes 'read' (scanning is a kind of reading).
'read'+'y'='READY'

'for' is the link.

(Other definitions for ready that I've seen before include "At hand" , "Prepare money" , "Suitably prepared" , "bread" , "Willing (to do something); cash" .)

I've seen this clue in The Guardian.
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