astute - Ability to understand things quickly and clearly, and to use the knowledge well
From a very early age, Gail instinctively knew everything about business, and and after college she proved to be an astute business woman, and became a millionaire before the age of 30.
wonder - To feel curiosity or doubt about something; to question or inquire about something, often with a sense of awe or amazement.
When she saw the magician perform his final trick with the glass ball, she couldn't stop wondering how he did the trick.