### Clue: Merriment shown by artist in varied rides in charitable event? (10)
### Answer: FUNDRAISER 
 ### Explanation: Definition: charitable event
 FUN(merriment/amusement) **plus**(shown by) [RA(abbrev. for "Royal Academician", a member of the Royal Academy of Arts/an artist)] **contained in**(in) **anagram of**(varied) RIDES.