The Collaborative International Dictionary of English v.0.48:

Meditative \Med"i*ta*tive\, a. [L. meditativus: cf. F.
   m['e]ditatif.]
   Disposed to meditate, or to meditation; as, a meditative man;
   a meditative mood. -- Med"i*ta*tive*ly, adv. --
   Med"i*ta*tive*ness, n.
   [1913 Webster]

WordNet (r) 3.0 (2006):

meditative
    adj 1: 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";
           [syn: brooding, broody, contemplative,
           meditative, musing, pensive, pondering,
           reflective, ruminative]