### Clue: Courteous round character trailed by fool largely wearing gaudy jewellery (8)
### Answer: OBLIGING 
 ### Explanation: Definition: Courteous
 O(the round-shaped character in the alphabet) **placed above**(trailed by, in a down clue) [ "git"(a fool) **minus** **its last letter**(largely) **contained in**(wearing) BLING(gaudy and ostentatious jewellery) ].