1. (adjective) deeply or seriously thoughtful

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

1. (adjective) deeply or seriously thoughtful

• thoughtful

2. (adjective) capable of physically reflecting light or sound

• mirrorlike
• specular
• reflecting

3. (adjective) devoted to matters of the mind

• intellectual

1. (adjective) deeply or seriously thoughtful

• brooding
• pensiveness
• chew over
• chew over
• chew over
• chew over
• contemplate
• contemplate
• contemplate
• contemplate
• excogitate
• excogitate
• excogitate
• excogitate
• meditate
• meditate
• meditate
• meditate
• mull
• mull
• mull
• mull
• mull over
• mull over
• mull over
• mull over
• muse
• muse
• muse
• muse
• ponder
• ponder
• ponder
• ponder
• reflect
• reflect
• reflect
• reflect
• ruminate
• ruminate
• ruminate
• ruminate
• speculate
• speculate
• speculate
• speculate
• think over
• think over
• think over
• think over
• contemplate
• contemplate
• meditate
• meditate
• study
• study
• contemplativeness
• contemplativeness
• meditativeness
• meditativeness
• pensiveness
• pensiveness
• reflectiveness
• reflectivity

2. (adjective) capable of physically reflecting light or sound

• reflect
• shine
• reflection
• reflectivity
• reflexion

3. (adjective) devoted to matters of the mind

• chew over
• contemplate
• excogitate
• meditate
• mull
• mull over
• muse
• ponder
• reflect
• ruminate
• speculate
• think over
• reflectiveness
• reflectivity

1. (adjective) capable of physically reflecting light or sound

• nonreflecting
• nonreflective