A member of a reformed religious order. (Frères Mineurs de lÉtroite-Observance en Italie or Riformati). There were apparently three orders known as "Réformés" but Cotgrave applies this to only the one noted. See Hélyot
Reformist groups or policies are trying to reform a system or law. a strong supporter of reformist policies. A reformist is someone with reformist views. wanting to change systems or situations, especially in politics