Once more, starts to appreciate noted European works (4)
I believe the answer is:
anew
'once more' is the definition.
(I've seen this before)
'starts to appreciate noted european works' is the wordplay.
'starts to' says to take the initial letters.
The first letters of 'appreciate noted european works' is 'ANEW'.
(Other definitions for anew that I've seen before include "Again but differently" , "From the beginning again" , "Wane in a different way, again" , "Afresh" , "Once more (poetic)" .)