What words refer to thinking about something for a period of time?
think about, brood, cogitate, consider, give consideration to, contemplate, meditate, muse, mull over, occupy your mind, ponder, reconsider, reflect, reflection, ruminate, speculate, study, weigh, wonder, go around in your mind, do some thinking, keep your mind on, have something on your mind, deduce, deduction, induction, inductive, logic, apply yourself, pay attention, bethink, conclude, observe, process, reason, theorize,