Verb
mull 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"
chew over ,
think over ,
meditate ,
ponder ,
excogitate ,
contemplate ,
muse ,
reflect ,
mull ,
ruminate ,
speculate
cerebrate ,
cogitate ,
think consider carefully and deeply; reflect upon; turn over in one's mind
premeditate think or reflect beforehand or in advance; "I rarely premeditate, which is a mistake"
theologise ,
theologize make theoretical speculations about theology or discuss theological subjects
introspect reflect on one's own thoughts and feelings
bethink consider or ponder something carefully; "She bethought her of their predicament"
cogitate consider carefully and deeply; reflect upon; turn over in one's mind
wonder ,
question have a wish or desire to know something; "He wondered who had built this beautiful church"
puzzle be uncertain about; think about without fully understanding or being able to decide; "We puzzled over her sudden departure"
study ,
consider learn by reading books; "He is studying geology in his room" ; "I have an exam next week; I must hit the books now"