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rather
Rathlin Island
rathskeller
ratify
ratiné
rating
ratio
ratio scale
ratiocinate
ration
ration out
rational
rational choice theory
rational-emotive behavior therapy
rational expectation
rational horizon
rational number
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ratiocinate

ra·ti·oc·i·nate [ ràshee óss'n àyt, ràshee ṓss'n àyt, ràttee óss'n àyt, ràttee ṓss'n àyt ] (past and past participle ra·ti·oc·i·nat·ed, present participle ra·ti·oc·i·nat·ing, 3rd person present singular ra·ti·oc·i·nates)


intransitive verb 
Definition:
 
think or argue logically: to think or put forward an argument about something in a strictly logical way ( formal )

[Mid-17th century. < Latin ratiocinat-, past participle of ratiocinari "compute" < ratio (see ratio)]

ra·ti·oc·i·na·tion [ ràshee òss'n áysh'n, ràshee ss'n áysh'n, ràttee ss'n áysh'n ] noun
ra·ti·oc·i·na·tive adjective
ra·ti·oc·i·na·tor noun
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