Etymology
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sophistication (n.)

early 15c., "use of sophistry; fallacious argument intended to mislead; adulteration; an adulterated or adulterating substance," from Medieval Latin sophisticationem (nominative sophisticatio), noun of action from past-participle stem of sophisticare "adulterate, cheat quibble," from Latin sophisticus "of sophists," from Greek sophistikos "of or pertaining to a sophist," from sophistes "a wise man, master, teacher" (see sophist). Greek sophistes came to mean "one who gives intellectual instruction for pay," and at Athens, contrasted with "philosopher," it became a term of contempt. 

Meaning "worldly wisdom, refinement, discrimination" is attested from 1850.

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Definitions of sophistication

sophistication (n.)
uplifting enlightenment;
Synonyms: edification
sophistication (n.)
a deliberately invalid argument displaying ingenuity in reasoning in the hope of deceiving someone;
Synonyms: sophism / sophistry
sophistication (n.)
being expert or having knowledge of some technical subject;
understanding affine transformations requires considerable mathematical sophistication
sophistication (n.)
the quality or character of being intellectually sophisticated and worldly through cultivation or experience or disillusionment;
Synonyms: worldliness / mundaneness / mundanity
sophistication (n.)
falsification by the use of sophistry; misleading by means of specious fallacies;
he practiced the art of sophistication upon reason
From wordnet.princeton.edu