Here are some ways to describe someone who is enthusiastic:
* Passionate: They have strong feelings about something and are eager to pursue it.
* Excited: They are filled with energy and anticipation.
* Eager: They are keen and willing to do something.
* Motivated: They have a strong desire to achieve something.
* Animated: They express their enthusiasm through their body language and tone of voice.
Examples:
* "The students were enthusiastic about the new project."
* "She gave an enthusiastic speech about her favorite topic."
* "He has an enthusiastic approach to life."
Note: It's important to remember that "enthusiastic" is a positive word. It suggests that someone is genuinely interested and excited about something.