tranquil

/ˈtraŋ-kwəl/

Middle English tranquill, from Latin tranquillus

adjective

  1. free from agitation of mind or spirit

  2. free from disturbance or turmoil

  3. unvarying in aspect : steady, stable

a tranquil self-assurance

a tranquil scene

calm tranquil serene placid peaceful mean quiet and free from disturbance. calm often implies a contrast with a foregoing or nearby state of agitation or violence. tranquil suggests a very deep quietude or composure.