Synonyms for Sophistication (same or very similar meaning)
WordNet sense 1 (uplifting enlightenment):
edification
WordNet sense 2 (a deliberately invalid argument displaying ingenuity in reasoning in the hope of deceiving someone):
sophism, sophistry
WordNet sense 3 (the quality or character of being intellectually sophisticated and worldly through cultivation or experience or disillusionment):
worldliness, mundaneness, mundanity
From the ODE community, based on WordNet
add/edit