ratiocinate

verb

ra·​ti·​o·​ci·​nate ˌra-tē-ˈō-sə-ˌnāt How to pronounce ratiocinate (audio)
ˌra-shē-,
-ˈä-
ratiocinated; ratiocinating
ratiocinator
ˌra-tē-ˈō-sə-ˌnā-tər How to pronounce ratiocinate (audio)
ˌra-shē-
-ˈä-
noun

Word History

Etymology

Latin ratiocinatus, past participle of ratiocinari to reckon, from ratio + -cinari (as in vaticinari to prophesy) — more at vaticinate

First Known Use

1643, in the meaning defined above

Time Traveler
The first known use of ratiocinate was in 1643

Dictionary Entries Near ratiocinate

Cite this Entry

“Ratiocinate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ratiocinate. Accessed 17 Apr. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!