"Good point" (4)
(Other definitions for fair that I've seen before include "(Of skin) pale" , "Pretty; impartial" , "Sign following Pisces" , "Reasonable; pretty" , "See 14" .)
'good point' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for true that I've seen before include "comfortable" , "Veritable" , "Corrected" , "Genuine; faithful" , "Unwavering" .)
(Other definitions for pro that I've seen before include "Skilled" , "Expert (abbr)" , "In short, not an amateur" , "Favouring the professional" , "Golfer" .)