thinker
nounUK /ˈθɪŋkə/
US /ˈθɪŋkər/
A thinker is a person who uses their mind to come up with ideas.
She is a deep thinker who loves solving puzzles.
OTHER MEANINGS
2. A person known for having smart or original ideas.
The scientist was a great thinker of her time.
3. Someone who spends time thinking carefully about things.
He is a quiet thinker who plans before he acts.
4. A person who studies big questions about life and the world.
The old thinker wrote books about truth and kindness.