pensive

adjectives

deeply or seriously thoughtful
"Byron lives on not only in his poetry, but also in his creation of the 'Byronic hero' - the persona of a brooding melancholy young man";
brooding, broody, contemplative, meditative, musing, pensive, pondering, reflective, ruminative
is derived from
pensiveness
showing pensive sadness
"the sensitive and wistful response of a poet to the gentler phases of beauty"
pensive, wistful
is derived from
pensiveness