Point taken about good hint (5)
I believe the answer is:
tinge
'hint' is the definition.
(I know that hint can be written as tinge)
'point taken about good' is the wordplay.
'point' becomes 'tine' (I've seen this in other clues).
'taken about' means one lot of letters goes inside another.
'good' becomes 'g' (abbreviation).
'tine' enclosing 'g' is 'TINGE'.
(Other definitions for tinge that I've seen before include "Hint of colour" , "A slight shade of colour" , "suggestion" , "Slight but perceptible amount" , "Small quantity of (differing) colour" .)