Amusing person provided female's capital (7)
I believe the answer is:
cardiff
'capital' is the definition.
(Cardiff is an example)
'amusing person provided female's' is the wordplay.
'amusing person' becomes 'card' (I've seen this before).
'provided' becomes 'if'.
'female' becomes 'f' (abbreviation).
'card'+'if'+'f'='CARDIFF'
(Other definitions for cardiff that I've seen before include "Welsh city" , "Welsh capital" , "Capital on the Taff" , "Capital of Wales" , "European capital, birthplace of Roald Dahl" .)