In the late 1990s, a friend told me she had used the word “exponentially” in a debate with her brother-in-law. “That’s not a word!” her brother-in-law insisted. “Of course it is,” my friend replied.
Philtrum. Salubriousness. Thaumaturge. These are three of my favorite words, but they’re not common ones. So you may be reaching for a dictionary right now. But before your fingers close on that ...