1. (

• chew_over ,
• think_over ,
• meditate ,
• ponder ,
• excogitate ,
• contemplate ,
• muse ,
• reflect ,
• mull ,
• mull_over ,
• ruminate ,
• speculate

) reflect deeply on a subject; "I mulled over the events of the afternoon"; "philosophers have speculated on the question of God for thousands of years"; "The scientist must stop to observe and start to excogitate" ;

1. (

• brooding ,
• broody ,
• contemplative ,
• meditative ,
• musing ,
• pensive ,
• pondering ,
• reflective ,
• ruminative

) 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" ;