theorist theorism • theorization · · · Info · Definitions · Synonyms · Characters · · theorist · · Text Latin · · Script 8 · · Length Definitions · · · (noun) someone who theorizes (especially in science or art). Synonyms: theoretician, theorizer, theoriser, idealogue. · · Noun Definition 1 Synonyms · · · theoretician · · Synonym 1 theorizer · · Synonym 2 theoriser · · Synonym 3 idealogue · · Synonym 4 Characters · · e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074