1.Beign able to make large conclusions with only minisclue observations.
2. Clever, quick, cunning or ingenious.
1. Whilst watching paint dry, he said "have you noticed how there are exactally 322 bricks in this wall?"
2. He was so astute, that his resposes were 98% right everytime, which based on his school's standards was extreamly high, because they are all idiots.