 The same may apply even if the name has causal influence on the category cha-cha. Hacking 1995 argues that the term we apply to a category has an influence on our practices, which in turn changes the category. Even in this account, it is not clear that language has a metaphysical bearing on the category: the practices ontologically determine the contours of the category, and the uses of the word are merely one among many causal influences on those practices.