speakingness

noun2

1. •
   Expressiveness; eloquence.

   • What pretence hath the unbeliever, or any heart, against the speakingness and significancy of this testimony? — 1822
2. •
   The quality of producing or conveying speech.

   • From this perspective, thematic or referential similarities count less than a sensually alert feel of the text: sounds, sights, echoes and colours as carried by the 'speakingness' of living language. — 2014