contemplate

(v) look at thoughtfully; observe deep in thought
- contemplate one's navel
(v) consider as a possibility
- I contemplated leaving school and taking a full-time job
(v) think intently and at length, as for spiritual purposes
- He is meditating in his study
meditate, study,
(v) 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
chew over, meditate, mull, mull over, muse, ponder, think over, excogitate, reflect, ruminate, speculate,

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