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.
juggle - To keep several objects in motion in the air at the same time; or to try to deal with two or more important jobs or activities at the same time
It wasn't easy for Beth to juggle working at her job from home and taking care of her kids when they came home from school.