Definitions

1. noun

A person who reasons or argues.

“The debater was a skilled reasoner who could counter any point effectively.”

2. noun

A person who uses reason to analyze or interpret something.

“The philosopher was a careful reasoner who tried to understand the complexities of human nature.”

3. noun

A computer program that can draw conclusions or make decisions based on rules or data.

“The expert system is a powerful reasoner that can diagnose medical conditions with high accuracy.”