sophistication Definition

1. Said of a person: having or displaying a broad knowledge and experience of the world and its culture.

Thesaurus: cultured, refined, well-bred, experienced, couth, urbane, cultivated, blasé, worldly, worldweary; Antonym: artless, naive.
2. Appealing to or frequented by people with such knowledge and experience.
3. Said of a person: accustomed to an elegant lifestyle.
4. Said especially of machines: complex; equipped with the most up-to-date devices.

Example: sophisticated weaponry
Thesaurus: complicated, complex, intricate; modern, state-of-the-art; Antonym: simple.
5. Subtle; falsified.

Example: sophisticated arguments

Refined knowledge of the world and its culture
Thesaurus: savoir-faire, poise, refinement, finesse, composure, elegance; Antonym: naiveté, simplicity.