Ancient Greek Definitions

Todays blog assignment consists of ancient greek vocab.
Agora- in ancient Greece a public open space used for assemblies and markets
Arete- It means excellence of any kind or Moral virtue
Polis- the ancient Greeks did not always refer to Athens, Sparta, Thebes, and other poleis as such; they often spoke instead of the Athenians, Lacedaemonians, Thebans and so on. The body of citizens came to be the most important meaning of the term polis in ancient Greece as a polis.
The year 508 bc- cleisthenise grants full rights to all men throughout athens. And democracy started in athens
Socrates-   was an athenian philosopher  credited as one of the founders of western philosophy. He is an enigmatic figure known chiefly through the accounts of classical writers, especially the writings of his students plato and xenophen.
The death of Socrates-The Death of Socrates is a 1787 oil on canvas painting by the French painter Jacques-Louis David. 
The Socratic method-is a form of inquiry and discussion between individuals, based on asking and answering questions to stimulate critical thinking and to illuminate ideas.
What did the greeks mean if they called you and idiot-person, or someone who acts in a self-defeating or significantly counterproductive way.
My sources are wikipedia and google dictionary.