penseroso
/ˌpɛnsəˈrəʊsəʊ/ /ˌpɛnsəˈrəʊzəʊ/literary
noun
A brooding or melancholy person. Now rare.
adjective
Meditative, thoughtful; brooding, melancholy.
Origin
Mid 18th century (in an earlier sense). From Italian †penseroso (1565 or earlier; variant of pensieroso (adjective) pensive, meditative, thoughtful), after the title of Milton's poem Il Penseroso.