Fancy fancy man later on (10)
I believe the answer is:
ornamental
'fancy' is the definition.
(I've seen this before)
'fancy man later on' is the wordplay.
'fancy' indicates an anagram.
'man'+'later'+'on'='manlateron'
'manlateron' is an anagram of 'ORNAMENTAL'.
(Other definitions for ornamental that I've seen before include "Decorative" , "Plant grown for attractive appearance" , "non-functional" , "showy" , "Fancy" .)