New development in Morden (6)
I believe the answer is:
modern
'new' is the definition.
(synonyms)
'development in morden' is the wordplay.
'morden' anagrams to 'MODERN'.
Though, I'm not sure how the anagram is indicated.
Can you help me to learn more?
(Other definitions for modern that I've seen before include "Recent, up to date" , "Belonging to the present or recent times" , "Belonging to the present time" , "Of the present time or current fashion" , "In history, the period or era since the Middle Ages" .)