Synonyms of the word

well-informed

• adj. Furnished with sufficient, correct knowledge.

intelligent

• adj. Of high or especially quick cognitive capacity, bright.
• adj. Well thought-out, well considered.
• adj. Characterized by thoughtful interaction.
• adj. Having the same level of brain power as mankind.
• adj. Having an environment-sensing automatically-invoked built-in computer capability.

sophisticated

• adj. Having obtained worldly experience, and lacking naiveté; cosmopolitan.
• adj. Elegant, refined.
• adj. Complicated, especially of complex technology.
• adj. Appealing to the tastes of an intellectual; cerebral.
• adj. (obsolete, Britain) Dishonest or misleading.
• v. simple past tense and past participle of sophisticate.