The verb meditate has 2 senses (first 1 from tagged texts)
1. (4) 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")
2. study, meditate, contemplate -- (think intently and at length, as for spiritual purposes; "He is meditating in his study")