RATIOCINATE

ratiocinate

(verb) reason methodologically and logically

Source: WordNet® 3.1

Etymology

Verb

ratiocinate (third-person singular simple present ratiocinates, present participle ratiocinating, simple past and past participle ratiocinated)

To use the powers of the mind logically and methodically; to reason.

Source: Wiktionary

Ra`ti*oc"i*nate, v. i. Etym: [L. ratiocinatus, p. p. of ratiocinari, fr. ratio reason. See Ratio.]

Definition: To reason, esp. deductively; to offer reason or argument.

Source: Webster’s Unabridged Dictionary 1913 Edition