Meaning of the word ratiocination in English

What does ratiocination mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

ratiocination

US /ˌræʃ.i.ɑː.səˈneɪ.ʃən/
UK /ˌræt.i.ɒs.ɪ.ˈneɪ.ʃən/
"ratiocination" picture

Noun

the process of exact thinking; reasoning

Example:
His logical ratiocination led him to the correct conclusion.
The detective's keen ratiocination helped solve the complex mystery.