(1):
(n.) Freedom from jolting, jerking, or straining.
(2):
(n.) Freedom from effort, constraint, or formality; - said of style, manner, etc.
(3):
(n.) Freedom from emotion; compliance; disposition to yield without opposition; unconcernedness.
(4):
(n.) Freedom from difficulty; ease; as the easiness of a task.
(5):
(n.) The state or condition of being easy; freedom from distress; rest.