Russian-English translations for спокойный

• calm
  to calm a crying baby
  to calm the passions
• peaceful
  peaceful protest
• placid
  a placid disposition
  a placid lake
• quiet
  I cant hear the music; it is too quiet
  the sea was quiet
  a quiet night at home
• sedate
• serene
  She looked at her students with joviality and a serene mentality
  Her Serene Highness
• tranquil