Fairylike part of a Handel finale (5)
I believe the answer is:
elfin
'fairylike' is the definition.
(thesaurus)
'part of a handel finale' is the wordplay.
'part of' says the answer is hidden in the clue.
'ELFIN' is hidden within 'handel finale'.
(Other definitions for elfin that I've seen before include "Small; impish" , "Like a little fairy" , "Dainty" , "Delicately framed" , "Small, with delicate frame" .)