Answer: simmerdown

AnswerCrossword Clue
SIMMERDOWN"Hush!" to a cook?
SIMMERDOWN"Take a chill pill!"
SIMMERDOWNCool off
SIMMERDOWN"Be quiet!"
SIMMERDOWN"Be calm!"
SIMMERDOWN"Don't get so upset!"
SIMMERDOWNGet over a tantrum
SIMMERDOWNRelax
SIMMERDOWN"Relax!"