—v.
1 tr. soothe or send to sleep gently.
2 tr. (usu. foll. by into) deceive (a person) into confidence (lulled into a false sense of security).
3 tr. allay (suspicions etc.) usu. by deception.
4 intr. (of noise, a storm, etc.) abate or fall quiet.
—n. a temporary quiet period in a storm or in any activity.
Etymology: ME, imit. of sounds used to quieten a child
Useful english dictionary. 2012.