Synonyms: chew over, reflect, ponder, think over, speculate, ruminate, mull, mull over, muse, excogitate, contemplate, meditate
Definition: reflect deeply on a subject
Usage: 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
Similar words: think, cogitate, cerebrate
Definition: use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments
Usage: I've been thinking all day and getting nowhere