Censure is also laid upon what is termed the prevailing fashion of medievalising modern school-rooms, where only a small portion of the window is made to open partially, and the greater portion of the glass is cemented into grooves in the jambs and mullions.
Source: wiktionary
The Monthly Review charged him with the style "of a sexton;" with outdoing even the Germans in tales of horror; with being full of platonic, metaphysical incomprehensibilities; they complained that his æsthetic lectures had had a pernicious effect; had held up the golden age of Pope to contempt, and contributed more than any cause to "medievalise" the taste of his countrymen.
Source: wiktionary
It could have been from this poem that Geoffrey derived Avalon and the magical sword Caliburn, and Robert de Boron took his idea for the Holy Grail; both writers making attempts to medievalise ancient, mythological concepts.
Source: wiktionary
Based partly on the Border ballad 'Gilpin Horner', Scott's poem is on the whole a medievalising concoction set in an Ossianic zone of lastness, fading and death.
Source: wiktionary