However, as Peter ate, his normal placidity gradually returned.
"Reminiscences of a South African Pioneer"
W. C. Scully
The cowman who looks like a cow may be more bovine than his fellows in his heavier motions and slower apprehensions, but he also exhibits some of the better qualities-the repose and placidity of the animal.
"Afoot in England"
W.H. Hudson
She spread her placidity over everything.
"Fortitude"
Hugh Walpole