Coolness
Coolness noun - Evenness of emotions or temper.
Usage example: his coolness under pressure makes him everyone's first choice to head a project with an ironclad deadline
Placidity and coolness are semantically related in calmness topic. In some cases you can use "Placidity" instead a noun "Coolness", when it comes to topics like serenity, tranquility.
Placidity
Placidity noun - Evenness of emotions or temper.
Usage example: his evident lack of placidity makes him poorly suited for such a stressful job
Coolness and placidity are semantically related in serenity topic. You can use "Coolness" instead a noun "Placidity", if it concerns topics such as calmness, tranquility.
Mutual synonyms
Cite this Source
Placidity and Coolness. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/coolness/placidity
Coolness & Placidity. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/coolness/placidity>.
Placidity or Coolness. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/coolness/placidity.
Google Ngram Viewer shows how "coolness" and "placidity" have occurred on timeline