thinker
n. countablen. a person who spends a lot of time thinking about deep or difficult ideas. You use this to describe someone who is very intelligent or serious about their thoughts.
n. a person who considers ideas or problems in a serious, logical, or creative way. Often used to describe intellectuals or philosophers who contribute to a specific field of knowledge.
He is a deep thinker who loves philosophy.
The university invited a famous political thinker to give a lecture on modern democracy.
While some critics dismissed the author as a mere storyteller, others recognized her as a profound thinker whose novels explored the very nature of human consciousness.
From Middle English thinkere, equivalent to think + -er. Compare West Frisian tinker (“thinker”), Dutch denker (“thinker”), German Denker (“thinker”), Danish tænker (“thinker”), Swedish tänkare (“thinker”).
Often modified by adjectives like 'deep', 'original', or 'critical'.