Such were her propensities—her abilities were quite as extraordinary.
Catherine listened with astonishment; she knew not how to reconcile two such very different accounts of the same thing; for she had not been brought up to understand the propensities of a rattle, nor to know to how many idle assertions and impudent falsehoods the excess of vanity will lead.
…it necessary to alarm her with a relation of its tricks, congratulated herself sincerely on being under the care of so excellent a coachman; and perceiving that the animal continued to go on in the same quiet manner, without showing the smallest propensity towards any unpleasant vivacity, and (considering its inevitable pace was ten miles an hour) by no means alarmingly fast, gave herself up to all the enjoyment of air and exercise of the most invigorating kind, in a fine mild day of…
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…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.