Possible Clues:

• Language repeats on broadcast
• Language whose name translates to "one who hopes"
• Telepathy time? Not when it's twisting the tongue
• Language one's pater translated
• Language that's generated for hurling at openers
• Language that provides neat prose
• A language; neat prose (anag.)
• The 1965 William Shatner film 'Incubus' is in it
• Language of neat prose composition
• An artificial language