Answer: luller

AnswerCrossword Clue
LULLERSoothing agent.
LULLERCreator of false sense of security.
LULLERSoothing one.
LULLEROne rocking a baby to sleep
lullerbrief stillness
lullerto soothe, esp. to put to sleep
lullerone that lulls (to soothe (to calm, or comfort))
lullerto give a false sense of security