Rational rather than emotional:
Having the same level of brain power as mankind.
Possessing knowledge, information, or understanding:
Having or showing intelligence, often of a high order
having or marked by unusual and impressive intelligence
Find another word for brainy. In this page you can discover 10 synonyms, antonyms, idiomatic expressions, and related words for brainy, like: brilliant, intellectual, intelligent, knowing, knowledgeable, ability, smart as a whip, loveable, lovable and chubby.