James S Saint wrote:The word "rumination" generally refers to something similar to worry wherein one pointlessly reviews a thought or situation over and over even though nothing could be done about it, perhaps something in the past. So it is different than merely "thinking deeply". It is specifically about thinking pointlessly and possibly dangerously drawing oneself into morbidity or depression. Other kinds of deep thinking have other words.
noun: rumination; plural noun: ruminations
a deep or considered thought about something.
"philosophical ruminations about life and humanity"
the action or process of thinking deeply about something.
modifier noun: rumination
"this film stuck out, demanding attention and rumination"
the action of chewing the cud.
"cows slow down their rumination"
There is nothing there that insinuates it being something bad. I almost wonder who among you actually look at definitions or understand context.
noun: contemplation; plural noun: contemplations
the action of looking thoughtfully at something for a long time.
"the road is too busy for leisurely contemplation of the scenery"
synonyms: viewing, examination, inspection, observation, survey, study, scrutiny
"the contemplation of beautiful objects"
deep reflective thought.
"he would retire to his room for study or contemplation"
synonyms: thought, reflection, meditation, consideration, rumination, deliberation, reverie, introspection, brown study; More
"the monks sat in quiet contemplation"
the state of being thought about or planned.