Excite (verb)

1. To make someone feel very enthusiastic or eager.
2. To make someone feel lively or animated.
3. To cause a physical or chemical reaction in something.
4. To increase the activity of something.

Origin:

Late middle english: from old french exciter, from latin excitare, from ex- "out" + citare "to set in motion".

Examples:

1. The news excited him.
2. The concert excited the crowd.
3. The prize excited the children.
4. The movie excited the audience.
5. The light excited the atoms in the gas.