Nation n. : A part, or division, of the people of the earth, distinguished from the rest by common descent, language, or institutions; a race; a stock.

Nation n. : The body of inhabitants of a country, united under an independent government of their own.

Nation n. : Family; lineage.

Nation n. : One of the divisions of university students in a classification according to nativity, formerly common in Europe.

Nation n. : One of the four divisions (named from the parts of Scotland) in which students were classified according to their nativity.

Nation n. : A great number; a great deal; -- by way of emphasis; as, a nation of herbs.

Example:
How does a Nation have a credit rating and what authority decides?

Taxonomy
New York, NY, The Nation, strategy, 1865, John Nichols, Afghanistan, Pittsburgh, G-20, members of Congress, occupation, Maria, Thomas Hobbes, revolutionary, impulses, early modern Europe, government, Katha Pollitt, summit.

Defination from the web:
Weekly journal of opinion, featuring progressive ideas and analysis on politics and culture, publishing since 1865.