expert; skilled

very able

quick at seeing how to gain an advantage

perceptive

of the brain

using one's brain

quick at learning and understanding things

bright, ingenious

of diplomacy; tactful

politic, tactful

having, showing, great learning

well-educated, cultured

using, having or showing (pleasure in) the power of thought to reason and produce explanations or ideas

very smart

having, showing intelligence

very smart

having, showing that one knows something

experienced, aware

of, in, the mind; (for people) suffering from an illness of the mind

concerning the mind

showing that one has understood or noticed

alert, sensitive

understanding and acting quickly

very smart

a kind of seafish, often large and dangerous; a person who cheats to get money

clever, intelligent

having or showing, judgement and common sense; likely to be correct or effective

clever, intelligent

(US = skillful) having or showing skill

able, talented

neat and clean in appearance; fashionable; part of high society; intelligent; quick; to become painful; to feel angry, annoyed

intelligent

of which one is not consciously aware

concerning the mind