Noun: placidity plu'si-di-tee
- A disposition free from stress or emotion
"The placidity of the lake mirrored her own inner peace";
- repose, quiet, serenity, tranquillity, tranquility [N. Amer]
- A feeling of calmness; a quiet and undisturbed feeling
"The placidity of the lake at dawn was breathtaking";
- placidness
Derived forms: placidities
Type of: calm, calmness, collectedness, composure, equanimity, unflappability