Multi-talented dancing relatives (9)
I believe the answer is:
versatile
'multi-talented' is the definition.
(I've seen this before)
'dancing relatives' is the wordplay.
'dancing' is an anagram indicator.
'relatives' is an anagram of 'VERSATILE'.
(Other definitions for versatile that I've seen before include "Multiskilled" , "willing to fit in?" , "Resourceful; relatives (anag.)" , "Capable of many functions" , "Multi-talented" .)