Edna often wondered at one propensity which sometimes had inwardly disturbed her without causing any outward show or manifestation on her part.
And he related the story of Alcee Arobin and the consul’s wife; and another about the tenor of the French Opera, who received letters which should never have been written; and still other stories, grave and gay, till Mrs. Pontellier and her possible propensity for taking young men seriously was apparently forgotten.
There are no more uses of "propensity" in the book.
Show samples from other sources
…now, and he knew she had a sense of humor, and she knew he did, too, and somehow he made her feel safe, made her trust that he would never bring it up again, that this terrible thing she said would remain betWeen them, that they both understood mistakes are made by all and that they should, if everyone is acknowledging our common humanity, our common frailty and propensity for sounding and looking ridiculous a thousand times a day, that these mistakes should be allowed to be forgotten.
Dave Eggers -- The Circle
I was too nervous to bother explaining that one of my father’s vices had been his propensity for dirty limericks.