[1] : WordNet (r) 2.0

die down
     v 1: suffer from a disease that kills shoots; "the plants near
          the garage are dying back" syn: die back
     2: become progressively weaker; "the laughter died down"
see also:
die back 

[2] : Moby Thesaurus II by Grady Ward, 1.0

26 moby thesaurus words for "die down":
   abate, bate, calm, calm down, cease, disappear, dwindle, ease off,
   ebb, fall, halt, let up, lull, moderate, molder, pacify, quiesce,
   quiet, quieten, recede, slacken, soothe, stop, subside,
   tranquilize, wane

Break Down >> B Words
Break Down, definition of term: Break Down
break+down_pag1.html

Bow Down >> B Words
Bow Down, definition of term: Bow Down
bow+down_pag1.html

Boil Down >> B Words
Boil Down, definition of term: Boil Down
boil+down_pag1.html

Belt Down >> B Words
Belt Down, definition of term: Belt Down
belt+down_pag1.html

Back Down >> B Words
Back Down, definition of term: Back Down
back+down_pag1.html