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 7 synonyms, antonyms, idiomatic expressions, and related words for brainy, like: brilliant, intellectual, intelligent, knowing, knowledgeable, ability and smart as a whip.