Rhetoric

"rhetoric" = "the art of use of language for persuasion"

Etymology

• from Greek rhētorikētekhnē  for "art of an orator,"
  • rhētōr = "speaker, orator" or "orator in public."
  • rhesis = "speech"
  • rhema = "word, phrase" or
    • from PIE *wre-tor- for " "that which is spoken" (from root *were- "to speak")

Meaning & purpose

• rhetoric is persuasion
• however, rhetoric is to persuade for good purpose
• from Stephen Ziliak, Encylopedia of Social Science, p 237 "Rhetoric" entry:

Rhetoric is employed in both act and perception, in private thought and public communication. It is a means of communication as well as a theory for understanding and criticizing itself and the alternative means of communication.

Centrally speaking, the rhetoric of the social sciences is the study and practice of argumentation and proof making, constrained only by the available means of persuasion. As such, rhetoric judges and is judged, it moves and is moved.