Non-naturalism has a shady reputation. This reputation is undeserved, at least in the case of one variety of non-naturalism – the variety Sidgwick offers. In section I, I present Sidgwick's view, distinguishing it from views with which it is often lumped. In II and III, I defend Sidgwick against recent objections to non-naturalism from motivation and supervenience. In IV, I briefly consider objections which brought about the downfall of non-naturalism at the middle of the century. In V, I consider the (...) role Sidgwick's arguments for non-naturalism play in Methods I.3. In VI, I contrast Sidgwick's attitude toward analytic metaethics to that of Moore and the non-cognitivists. (shrink)