L. RUSS BUSH III The word nature usually refers to the physical world in its normal condition. If something is “natural,” that means it is unmodified by human (intelligent) actions. Many of us love “nature,” the unspoiled outdoors, the world of forests and rivers and mountains and meadows. By adding ism, however, we get a related but different meaning. “Naturalism” is the belief that in the final analysis, nature is all that there is, and that “nature” is essentially unmodified