Authorised (7)
'authorised' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for official that I've seen before include "Approved by authority" , "Person appointed by authority" , "agent" , "Certified" , "Confirmed" .)
(Other definitions for allowed that I've seen before include "Given permission" , "permissible" , "Owned" , "Acknowledged" , "Given the chance" .)
'authorised' is the definition.
('clear' can be a synonym of 'authorize')
This is all the clue.
(Other definitions for cleared that I've seen before include "Profited by" , "found not guilty" , "Exonerated" , "approved" , "Acquitted" .)