considérable

considerable

“Mais au moyen âge surtout son emploi prend une place considérable, et l'étude directe de la nature, dans ses plus humbles productions, inspire aux sculpteurs de nos cathédrales une splendeur décorative incomparable de richesse et d'originalité.” — But it was above all during the Middle Ages that its use assumed a considerable role, and the direct study of nature—in its humblest manifestations—inspired the sculptors of our cathedrals to create a decorative splendor of incomparable richness and originality.

From the verbe considérer with the suffix -able.