1. Possibilism, possibilist or possibilistic may refer to: Possibilism (geography), a theory of cultural geography Possibilism (politics), an 1880s faction of the Federation of the Socialist Workers of France Possibilism (philosophy), the metaphysical belief that possible things exist (with modal realism being one strong version of possibilism) Possibility theory, a framework for reasoning with uncertainty in artificial intelligence Possibilism, a somewhat derogatory term for reformist socialism Libertarian possibilism, an anarchist current that advocates participation in political institutions == See also == Possibilianism from wikipedia.org