pronoia UK /pɹəʊˈnɔɪə/US /pɹoʊˈnɔɪə/ noun3 •A belief (sometimes regarded as irrational) that people conspire to do one good. •(historical) An imperial grant to an individual of temporary fiscal rights in the form of land, incomes or taxes from land, fishing rights, etc., sometimes carrying with it an obligation of military service. •Divine providence, foreknowledge, foresight. formspronoiae · pronoiai · pronoias