She stood before the fire, with her hands lightly clasped in front of her; and her father, leaning back in his chair and looking up at her, made this remark with a placidity that might have been irritating.
There are no more uses of "placid" in the book.
Show samples from other sources
a ribbon of sand between the angry sea and the placid bay
I scan their faces, trying to look as placid as possible.