Having convinced herself that Mr. Casaubon was altogether right, she recovered her equanimity, and was an agreeable image of serene dignity when she came into the drawing-room in her silver-gray dress—the simple lines of her dark-brown hair parted over her brow and coiled massively behind, in keeping with the entire absence from her manner and expression of all search after mere effect.
There are no more uses of "equanimity" in the book.
Show samples from other sources
She accepted the problem with equanimity and grace.
He was not angry, not even irritated, and he enjoyed his equanimity.