Rhetoric (Wikipedia) is the art of harnessing reason, emotions and authority, through language, with a view to persuade an audience and, by persuading, to convince this audience to act, to pass judgement or to identify with given values. The word derives from PIE root wer-, ‘speak’, as in MIE zero-grade wrdhom, ‘word’, or full-grade werdhom, ‘verb’; from wrētōr ρήτωρ (rhētōr), “orator” [built like e.g. wistōr (<*wid–tor), Gk. ἵστωρ (histōr), “a wise man, one who knows right, a judge” (from which ‘history’), from PIE root weid-, ‘see, know’]; from … Read the rest “Rhetoric of debates, discussions and arguments: Useful destructive criticism for scientific & academic research, reasons and personal opinions; the example of Proto-Indo-European language revival”