Eased up (6)
I believe the answer is:
abated
'eased up' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for abated that I've seen before include "Slacked off, died away" , "Eased" , "Subsided or decreased like storm" , "Calmed like storm" , "Lowered" .)