East European gets up for a dance (5)
I believe the answer is:
valse
'a dance' is the definition.
(valse is a kind of dance)
'east european gets up' is the wordplay.
'east' becomes 'e' (synonyms).
'european' becomes 'slav' (I've seen this in another clue).
'gets up' is a reversal indicator.
'e'+'slav'='eslav'
'eslav' in reverse letter order is 'VALSE'.
'for' is the link.
(Other definitions for valse that I've seen before include "Dance" , "Steps taken in France" .)