IPA: /pləˈsɪdəti/
KK: /pləˈsɪdəti/
The state of being calm and peaceful, without disturbance or agitation.
The placidity of the lake in the early morning was breathtaking.
Placidity → It is formed from "placidus" (from Latin, meaning calm or peaceful) and the suffix "-ity" (meaning the state or quality of). The word "placidity" refers to the state of being calm or peaceful.
Think of the Latin word for calm, 'placidus', to remember that placidity means a state of calmness.