Capital of South Korea (5)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
seoul
'capital of south korea' is the definition.
(synonyms)
This is all the clue.
(Other definitions for seoul that I've seen before include "South Korea capital" , "Olympic venue" , "South Korean capital" , "Asian capital" , "19 [EASTERN] capital" .)