Permission (7)
'permission' is the definition.
(I know that consent is a type of permission)
This is all the clue.
(Other definitions for consent that I've seen before include "Agree (to do something)" , "Concur" , "Give permission for something" , "authorisation" , "Say yes to something" .)
'permission' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for licence that I've seen before include "Legal document giving official permission" , "Certify" , "Permit - freedom" , "What a driver needs" , "Authority - or freedom!" .)
'permission' is the definition.
(leave is permission or authorisation)
This is the entire clue.
(Other definitions for leave that I've seen before include "Relinquish - holiday" , "Permission - depart" , "retire" , "Exit" , "Go (5)" .)
'permission' is the definition.
(I know that sanction is a type of permission)
This is the entire clue.
(Other definitions for sanction that I've seen before include "Ratification" , "Threatened penalty; official permission" , "Allow; penalty" , "coercive measure" , "Support" .)