Empower (9)
'empower' is the definition.
(I know that empower is a more specific form of the action enable)
This is the entire clue.
(Other definitions for enable that I've seen before include "Make possible using baleen" , "Activate" , "Allow" , "Permit or facilitate" , "Empower" .)
'empower' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for authorise that I've seen before include "Sanction or establish officially" , "OK" , "licence" , "Give power to or sanction" , "I share out (anag.)" .)