Crossword Genius

Permission to start? (2-5)

Ross

I believe the answer is:

go-ahead

I believe this is a double definition.

'permission' is the first definition.
(I've seen this in another clue)

'start?' is the second definition.
(thesaurus)

'to' is the link.

(Other definitions for go-ahead that I've seen before include "Pioneering (green light?)" , "Enterprisingly progressive" , "Permission to proceed" , "Enterprising" , "Up-and-coming - authorisation" .)

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