Found 2 items, similar to placidity.
English → English (WordNet) Definition: placidity placidity n 1: a feeling of calmness; a quiet and undisturbed feeling [syn: placidness] 2: a disposition free from stress or emotion [syn: repose, quiet, serenity, tranquillity, tranquility]
English → English (gcide) Definition: Placidity Placidity \Pla*cid"i*ty\, n. [L. placiditas: cf. F. placidit['e].] The quality or state of being placid; calmness; serenity. --Hawthorne. [1913 Webster]