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1.
-sophisticated character, ideas, tastes, or ways as the result of education, worldly experience, etc.: the sophistication of the wealthy.

-change from the natural character or simplicity, or the resulting condition.

-complexity, as in design or organization.

-impairment or debasement, as of purity or genuineness.

-the use of sophistry; a sophism, quibble, or fallacious argument.

(Antonym -simplicity )
Quotes:

"I have always thought of sophistication as rather a feeble substitute for decadence." - Christopher Hampton

"Hip is the sophistication of the wise primitive in a giant jungle." - Norman Mailer

"Sophistication might be described as the ability to cope gracefully with a situation involving the presence of a formidable menace to one's poise and prestige (such as the butler, or the man under the bed -- but never the husband)." - James Thurber
by MissMia January 03, 2010
 
2.
Polluted cities - i.e. Beijing
Beijing hit 755 on the air quality index, that place has hella sophistication.
by baller6969 January 16, 2013
 
3.
Definition for today's 21st century America to describe someone with class, manners, refinement, courtesy, and common decency. In other words, a snob or shitbird. In the movie Idiocracy, someone with those traits was "faggy".
Sophistication
by waspocoloredstain June 30, 2013