You don't have to rattle off a definition. Context of sentence may tell the meaning. Make it practical to listener. Bring theoretical to practical use. We study speech today pretty much the same as they did in ancient times.
Powerful people stay in power by empowering their offspring.
Aristotle - took Plato's ideas to the next level. Romans - Didn t create anything of their own. Took Aristotle to Rome. Good imitators - take to next level. Rhetorical education created better citizens.