Elegant European newspaper boss? (8)
I believe the answer is:
polished
'elegant' is the definition.
(thesaurus)
'european newspaper boss?' is the wordplay.
'european' becomes 'polish' (Poland is in Europe).
'newspaper boss?' becomes 'ed' (short for editor).
'polish'+'ed'='POLISHED'
(Other definitions for polished that I've seen before include "Shining or refined" , "Genteel - flawless" , "Difference, statistical quantity" , "Buffed to a shine" , "Made shiny and smooth" .)