aristo-, arist-

(Greek: best)

aristarchy
Rule by the best or most qualified people.
aristocracy

There are bad manners everywhere, but an aristocracy is bad manners organized.

—Henry James
aristocrat (s) (noun), aristocrats (pl)
A member of one of a ruling oligarchy; hence, someone who is a member of a patrician order; such as, a noble: An aristocrat is usually someone who has a high position in society because of birth, rank, or title and favors the control of common people with a form of government which is not a democracy.
aristocratic
aristocratical
aristocratically
aristocratism (s) (noun), aristocratisms (pl)
The principles or practices of nobility, or people of rank in a community: Aristocratisms involve those who traditionally have more money and power than other people living in the same place.
aristogenesis (s), aristogeneses (pl)
The biological theory that species evolve in anticipation of the needs of that organism in its particuilar environment.
aristogenetic
aristogenics
A study involving the biological theory that species evolve in anticipation of the needs of an organism in its environment
aristopherenia