arousal

Concise Oxford English Dictionary © 2008 Oxford University Press:
arouse/əˈraʊz/

▶verb

• 1 evoke (a feeling or response).

  ■ provoke to anger or other strong emotion.

  ■ excite sexually.

• 2 awaken from sleep.

– derivatives
arousable adjective,
arousal noun.

– origin C16: from rouse, on the pattern of the pair of rise, arise.