verb (used with object), a·roused, a·rous·ing.
verb (used without object), a·roused, a·rous·ing.
Examples from the Web for arousal
Arousal sends dopamine to the brain; dopamine is the chemical associated with desire.
The female sexual brain is like an AND gate and requires many more cues for arousal to be triggered.Newsweek Live Chat: What the Internet Can Teach Us About Sex|The Daily Beast|April 25, 2011|DAILY BEAST
What's important for a man in terms of his arousal is the competition.
The sentiments aroused are different; but the arousal is the same.The Elementary Forms of the Religious Life|Emile Durkheim