Reflective poem set in Spanish city (6)
I believe the answer is:
toledo
'spanish city' is the definition.
(I've seen this before)
'reflective poem set' is the wordplay.
'reflective' shows that the letters should be reversed in order.
'poem' becomes 'ode' (ode is a kind of poem).
'set' becomes 'lot' (synonyms).
'ode'+'lot'='odelot'
'odelot' in reverse letter order is 'TOLEDO'.
'in' acts as a link.
(Other definitions for toledo that I've seen before include "Looted the Spanish city badly" , "Tapering sword" , "Sword; city in Ohio" , "historic Spanish city" , "To dole out in the Spanish city" .)