noun
excitation
ek-sigh-TAY-shuhn/ˌɛksaɪtˈeɪʃʌn/
The act or state of being stimulated into greater activity or energy.
The musical performance produces a state of excitation in the fans.

Etymology
The underlying verb meant to wake or stir into action. The noun names that rousing process or its resulting state, connecting activity with emotional or bodily arousal.
In context
from the unity of the lake. And at no point there will be anything other than the lake. The ripples have no stand-alone existence. They are patterns of movement, of excitation of the lake.
More examples
- Electrical excitation causes the muscle to contract.
- The experiment measures the excitation of atoms by light.
- Excessive excitation of nerve cells can trigger a seizure.
Forms
excitation · excitations
excite verb — To stimulate greater activity or energy.
Similar words
- stimulation
- Emphasizes the input that triggers increased activity or responsiveness.
- arousal
- Often describes heightened alertness or emotional and physical responsiveness.