meditate
     v 1: 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" [syn: {chew
          over}, {think over}, {ponder}, {excogitate}, {contemplate},
           {muse}, {reflect}, {mull}, {mull over}, {ruminate}, {speculate}]
     2: think intently and at length, as for spiritual purposes; "He
        is meditating in his study" [syn: {study}, {contemplate}]
Source: WordNet® 2.0