Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb mull_over
1 sense of mull over
Sense 1
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")
=> think, cogitate, cerebrate -- (use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments; "I've been thinking all day and getting nowhere")