Possible Clues:

• Writing to Hector Rock about one with the skill of an orator
• The art of speaking elegantly and effectively
• Orating skill
• Pomposity from Republican in charge, introducing flipping corrupt pardon
• The various common soldiers, enthralled by a lot of sonorous oratory
• The medieval college trivium was grammar, logic and ____
• Persuasive speech from rector, I recollected, about hospital
• Soprano avoiding confused chorister's declamation
• Persuasive speech from Roman Catholic about revised version of other one
• Agitated rector, I may get hot inside, producing empty verbiage