mull over(v = verb.cognition) chew over, contemplate, excogitate, meditate, mull, muse, ponder, reflect, ruminate, speculate, think over - 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"
is one way to cerebrate, cogitate, think
Sample sentences: Somebody ----s PP

   To think about; to consider; to ruminate about; as, mull it over and decide in the morning. [1913 Webster]

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