sophistication

from The Century Dictionary.

• noun The act or process of sophisticating.
• noun The process of perverting or misleading by sophistry; hence, loosely, any perversion or wresting from the proper course; a leading or going astray.
• noun Adulteration; debasement by meaus of a foreign admixture.
• noun A sophism; a quibble; a specious fallacy.
• noun That which is adulterated or not genuine; the product of adulteration.
• noun A means of adulteration; any substance mixed with another for the purpose of adulteration.

from the GNU version of the Collaborative International Dictionary of English.

• noun The act of sophisticating; adulteration.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Enlightenment or education.
• noun Cultivated intellectual worldliness; savoir-faire.
• noun Deceptive logic; sophistry.
• noun Falsification or contamination.
• noun Complexity
• noun archaic The act of sophisticating; adulteration.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun being expert or having knowledge of some technical subject
• noun the quality or character of being intellectually sophisticated and worldly through cultivation or experience or disillusionment
• noun a deliberately invalid argument displaying ingenuity in reasoning in the hope of deceiving someone
• noun falsification by the use of sophistry; misleading by means of specious fallacies
• noun uplifting enlightenment