The phrase "eager beaver" is often used to describe someone who is enthusiastic and eager to get things done. There are many other synonyms that could be used to describe such a person. Some examples include "keen", "enthusiastic", "energetic", "motivated", "enthusiastic beagle" or "zealous". Other synonyms might be "driven", "ambitious", "hardworking", "determined", or "dedicated". Regardless of the word chosen, the idea behind it is the same: someone who is highly motivated and eager to succeed. This is a trait that is highly valued in many different contexts, from business to sports to academics and beyond.