Meaning: The meadow was quiet and calm at night.
Choice of Words: Peaceful means free from disturbance or trouble. Serene means calm and tranquil.
Meaning: The field was calm and peaceful at night.
Choice of Words: Tranquil means calm and peaceful. Placid means calm and still. Night is the time when it's dark outside.
Choice of Words: Calm means not moving or making noise. Quiet means not making any noise. Night is the time when it's dark outside.