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 musing melancholy young man";
   - brooding, broody, contemplative, meditative, pensive, pondering, reflective, ruminative

1. A calm, lengthy, intent consideration
   "His musings on philosophy were published in a collection of essays";
   - contemplation, reflection, reflexion [Brit], rumination

1. Think deeply about a subject or question over a period of time
   "The scientist must stop to observe and start to muse";
   - chew over, think over, meditate, ponder, excogitate, contemplate, reflect, mull, mull over, ruminate, speculate
    
2. Talk over conjecturally, or review in an idle or casual way and with an element of doubt or without sufficient reason to reach a conclusion
   "We were musing whether the President had to resign after the scandal";
   - speculate

Derived forms: musings

See also: thoughtful

Type of: cerebrate, cogitate, consideration, reason, think

Encyclopedia: Muse, Oklahoma