Generate a list of adjectives to describe calmness.

- Serene
- Peaceful
- Tranquil
- Relaxed
- Composed
- Gentle
- Quiet
- Mellow
- Serendipitous
- Harmonious
- Placid
- Uplifting
- Blissful
- Tender
- Silent
- Mild
- Comforting
- Soothing
- Satisfied