(noun) the belief that the world tends to improve and that humans can aid its betterment
Cioran's stoic élitism, his rejection of meliorism à l'américaine
Wayne's language is not that of renewal-through-destruction (and here Schumpterian capitalism and fascism, in most other respects entirely opposed, find themselves in sympathy) but of philanthropic meliorism.
Oligarchs like Trump, the Koch brothers, the Walton family, Sheldon Adelson, Robert Mercer, and others don’t subscribe to the social and political meliorism typical of the faceless corporate CEOs of the mid-twentieth century
intensified his meliorism
meliorist apostles of peaceful order such as Steven Pinker
Ray is a liberal meliorist
melioristic action, to terroristic action
Both parties had committed to the basic elements of what became “the American model.” At home, it involved a modest welfare state combined with meliorism on issues of race. Abroad, the goal was the reconstruction of foreign societies on American terms through the spread of market capitalism and the legal-political institutions of liberal democracy.