Approval (6)
'approval' is the definition.
(I know that credit is a type of approval)
This is all the clue.
(Other definitions for credit that I've seen before include "Distinction -- attribute" , "acknowledgement of liability" , "If this is good, you can borrow money" , "Acknowledgement of a contributor" , "Believe; good reputation" .)
'approval' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for assent that I've seen before include "Compliance, agreement" , "Consent or approval" , "Acquiesce, comply" , "Express approval or agreement" , "Expression of agreement" .)
'approval' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for go-ahead that I've seen before include "Permission to proceed" , "Enterprising" , "Up-and-coming - authorisation" , "Enterprisingly progressive" , "Pioneering (green light?)" .)