Possible Clues:

• Refined stuff that could have poisoned Abraham?
• Refined and civilised
• Elegant of us, disposing of love with poison
• Charming old city gets most of 4 down from Spain
• Suave, like 007
• Cultured city at the end of Caliphate
• Sophisticated, suave
• Glib-tongued
• Elegant: the antithesis of Country and Western?
• Oozing elegance