to make (somebody) more cultured, knowledgeable, or worldly-wise
to make (something) more highly developed, elaborate, or complex
to mislead (somebody) by sophistry
to alter (something) so as to deceive
sophistication /-ʹkaysh(ə)n/ noun
[Middle English sophisticaten from late Latin sophisticatus, past part. of sophisticare, via Latin from Greek sophistikos sophistic, from sophistēs sophist]