Synonyms of the word

brainy

• adj. (informal) Very intellectually capable.

brilliant

• adj. Shining brightly.
• adj. (of a colour) Both bright and saturated.
• adj. (of a voice or sound) having a sharp, clear tone.
• adj. Of surpassing excellence.
• adj. Magnificent or wonderful.
• adj. Highly intelligent.
• n. A finely cut gemstone, especially a diamond, cut in a particular form with numerous facets so as to maximize…
• n. (uncountable, printing, dated) The size of type between excelsior and diamond, standardized as 4-point.
• n. Most hummingbird species of the genus Heliodoxa.
• n. A kind of cotton goods, figured on the weaving.

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.