Placid

Placid [ PLAS-id ]
	[ adjective ]
	MEANING :
	1. peaceful, tranquil or serene 2. complacent
	USAGE EXAMPLE 1 :
	His placid nature seemed to calm the frenzied crowd.
	USAGE EXAMPLE 2 :
	In a further twist, the normally placid Switzerland announced on May 23 that it had secretly destroyed highly technical blueprints for producing nuclear weapons.