Overflowing with fervour, enthusiasm, or excitement; high-spirited: (Dictionary.com)
Bubbling up like a boiling liquid. (Dictionary.com)
Characterised by ebullience: having or showing liveliness and enthusiasm. (Merriam – Webster)
Very energetic, positive, and happy: (Cambridge Dictionary)
Cheerful and full of energy. (Oxford Dictionaries)
If you describe someone as ebullient, you mean that they are lively and full of enthusiasm or excitement about something. (Collins Dictionary)
Exuberant – ebullient. What is the difference?
What Makes an Ebullient Life, Anyway?