ratiocinator ratiocinative • ratiocinatory · · · Info · Definitions · Synonyms · Characters · · ratiocinator · · Text Latin · · Script 12 · · Length 5 · · Syllables Definitions · · · (noun) someone who reasons logically. Synonyms: reasoner. · · Noun Definition 1 Synonyms · · · reasoner · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074