Adjective: ruminative 'roo-mi,ney-tiv [N. Amer], roo-mi-nu-tiv [Brit]
- 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 ruminative melancholy young man";
- brooding, broody, contemplative, meditative, musing, pensive, pondering, reflective
See also: thoughtful