Permitting (8)
'permitting' is the definition.
('allow' can be a synonym of 'permit')
This is the entire clue.
(Other definitions for allowing that I've seen before include "not stopping" , "Granting, permitting" , "Giving permission" , "Permitting or conceding" , "Admitting" .)
'permitting' is the definition.
('let' can be a synonym of 'permit')
This is the entire clue.
(Other definitions for letting that I've seen before include "Renting out; allowing" , "Dealing with property" , "Granting to a tenant" , "Giving permission to" , "property for temporary occupants?" .)