In my book, “Grow Up! Life Isn’t Safe, but It’s Good,” I offer the following: “If we are to communicate sanely and intelligently with one another, words must mean something. A pony can’t be a fish, and a fish can’t be a chicken. The meaning of words must be objective, predictable, and enduring. If they are not, you couldn’t read this sentence and have any hope of understanding what it says. The very nature of speaking, reading, and writing assumes definitional clarity; otherwise, normal daily communication would become as impossible as trying to play football without a field or ball.