Quite fair (6)
I believe the answer is:
pretty
I believe this clue is a double definition.
'quite' is the first definition.
(synonyms)
'fair' is the second definition.
(I've seen this before)
(Other definitions for pretty that I've seen before include "Film with Julia Roberts (belle)" , "Delicately attractive" , "chocolate-box" , "Somewhat - attractive" , "Attractive, beautiful" .)