Nice bust remodelled on French article (6)
I believe the answer is:
subtle
'nice' is the definition.
(thesaurus)
'bust remodelled on french article' is the wordplay.
'remodelled' indicates an anagram.
'on' means one lot of letters go next to another.
'french article' becomes 'le' (french for 'the' - definite article).
'bust' anagrammed gives 'subt'.
'subt'+'le'='SUBTLE'
(Other definitions for subtle that I've seen before include "Not immediately obvious, understated" , "Bustle in crafty, angenious way" , "Delicate - crafty - indirect" , "Indirect, difficult to detect" , "Highly refined" .)