n. One who holds to a belief in progress; a progressionist.n. Specifically [capitalized] — In mod. Span. hist., a member of a political party holding advanced liberal views. The Progressists and Moderados were the two parties into which the Christinos (adherents of the queen regent Christina) separated about 1835.n. A member of a liberal political party in Germany (Fortschrittspartei). formed in 1861. From it was formed, a few years later, the National Liberal party. The remnant in 1884 united with the Liberal Union to form the German Liberal party (Deutsch-Freisin-nige).