ratiocinate
/ˌræʃiˈɑːsɪneɪt/
verb
- To reason logically; to think through a problem step by step using careful reasoning.
- In philosophy class, students learn to ratiocinate rather than rely on emotions.
- She ratiocinated carefully before making her final decision on the investment.
- The detective ratiocinated about the clues until he solved the mystery.