ra·ti·o·ci·nate /ˌrætiˈosṇˌet, ˌræʃi, ˈɑ-/ (vi.)推理,推論,採用三段論法
Ra·ti·oc·i·nate v. i. To reason, esp. deductively; to offer reason or argument. ◄ ►
ratiocinate v : reason methodologically and logically