Webster’s Revised Unabridged Dictionary · 1913
Atheize
A′the·ize (·īz), v. t. To render atheistic or godless. [R.]
They endeavored to atheize one another. Berkeley.
A′the·ize, v. i. To discourse, argue, or act as an atheist. [R.] — A′the·i′zer, n. Cudworth.