tranquil

Meanings

Adjective Satellite

• (of a body of water) free from disturbance by heavy waves
  • "a lake of tranquil blue water reflecting a tranquil blue sky"
• not agitated; without losing self-possession
  • "she became more tranquil"
  • "tranquil life in the country"

Synonyms

calm, placid, quiet, serene, smooth, still, unagitated, unruffled