Wittgenstein illuminates epistemological issues surrounding language by talking of communities, language games and skepticism.
I sketch what I think a dispositional model involves; then consider Kripke's dismissal of dispositional explanations in the context of Wittgenstein's skeptical paradox. It seems to me that Wittgenstein does not attempt to elude or confront skeptical conclusions. His arguments and style of argumentation insist upon the communi