Open government (6)
I believe the answer is:
public
This clue is a double definition.
'open' is the first definition.
('public' is associated in meaning with 'open')
'government' is the second definition.
(as in the public sector)
(Other definitions for public that I've seen before include "Openly done" , "Open to everyone" , "well known" , "Overt" , "This house is licensed to sell alcohol" .)