Enthusiasm is having an intense interest or positive anticipation about something, or an idea, or a plan.

Enthusiasm is an excitement and joyfulness about something planned, or about something one is presently doing.

Enthusiasm is a positive-optimistic excitement and openness about what is presently going on, or what is expected in the near future.

Enthusiasm is about what one loves and enjoys, or what excites one’s interest, or it can be about something important that is achievable.

Enthusiasm is a fire that kindles our effort towards an achievement or a creative pursuit.

Enthusiasm motivates our own action and commitment, and can also help motivate others.

Enthusiasm radiates joy, interest, and positiveness; which resonates to others.

You have a positive attitude and optimistic hope.

You feel motivated by a positive expectation or faith.

You are cheerful and full of spirit.

You enjoy what you are doing.

You are wholehearted and committed in what you do.