#enthusiasm

• Liveliness — A state of animation, liveliness, enthusiasm, or dynamic momentum with which a person or a group carries out an activity, holds a conversation, or participates in a party. In a broad sense, it represents the contagious energy, alert pace, or active disposition that stimulates collective involvement and boosts morale.
• Spirited — Moving with great speed, having a powerful momentum or an impetuous propulsion; figuratively, it describes a person full of enthusiasm, courage, boldness, or fervor, acting without hesitation for an ideal. It also applies to ideas, speeches, or actions characterized by dynamism, intense passion, or rapid and vigorous development.
• Momentum — Archaic spelling or according to orthographic norms prior to 1993 for the noun 'avânt'; a rapid, vigorous, and impetuous movement through which a body increases its speed or gathers momentum to perform a jump or structural displacement; (metaphorically) a state of powerful enthusiasm, passion, creative drive, spiritual energy, or intense progress manifested in a field of activity.