Excitation (noun)

1. The state of being excited or aroused.
2. The act of exciting or stimulating something.

Origin:

From the latin word "excitatio" which means "arousal" or "stimulation".

Examples:

1. The concert was filled with excitation and energy.
2. The news of winning the lottery caused great excitation among the group.
3. The game was filled with excitation and suspense.
4. The children were filled with excitation on Christmas morning.
5. The scientist observed the excitation of atoms in the lab.