Remembering on further cogitation, however, that under any circumstances he must have paid, or handsomely compounded for, Ralph’s debt, and being by no means confident that he would have succeeded had he undertaken his enterprise alone, he regained his equanimity, and chattered and mowed over more satisfactory items, until the entrance of Peg Sliderskew interrupted him.
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.