For some subtle reason the expression of extreme placidness on Ingeborg's face as she lay silently watching the tree-tops and planning what she would do with her baby annoyed the Baroness.
"The Pastor's Wife"
Elizabeth von Arnim
"Oh, no," said Mrs. Fisher-with an odd placidness, Scrap thought.
"The Enchanted April"
Elizabeth von Arnim
Rainey thought of her as one does of a pool that one plumbs with a stone, thinking to find it fairly shallow, only to discover it a gulf with unknown depth and currents, capable of smiling placidness or sudden storm.
"A Man to His Mate"
J. Allan Dunn