1. contemplate

look at thoughtfully; observe deep in thought

Example Sentences:
'contemplate one's navel'

2. contemplate

consider as a possibility

Example Sentences:
'I contemplated leaving school and taking a full-time job'

3. contemplate, meditate, study

think intently and at length, as for spiritual purposes

Example Sentences:
'He is meditating in his study'

• meditate
• study

4. chew over, contemplate, excogitate, meditate, mull, mull over, muse, ponder, reflect, ruminate, speculate, think over

reflect deeply on a subject

Example Sentences:
'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'

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