progressism
/ˈprəʊɡrɛsɪz(ə)m/ /ˈprɒɡrɛsɪz(ə)m/noun
The theory or beliefs of a progressist; belief in or advocacy of progress.
Origin
Mid 19th century; earliest use found in The Times. From progress + -ism, probably partly after French progressisme and partly after progressist. Compare Italian progressismo.