But Mary and Bill wanted mountain-climbing, and had already yawned their way in Dallas’s wake through the English cathedrals; and May, always fair to her children, had insisted on holding the balance evenly between their athletic and artistic proclivities.
There are no more uses of "proclivity" in the book.
Show samples from other sources
She has a proclivity for exaggeration.
Their natural proclivity is to spend rather than to save.