arousal

ot noun

1. The act of arousing or the state of being aroused. bodily arousal
2. Sexual arousal. Some people get sexual arousal from the depiction of feet.
3. Arousal from sleep or hibernation. the animal undergoes regular spells of arousal
4. A physiological and psychological state of being awake or reactive to stimuli, including elevated heart rate and blood pressure and a condition of sensory alertness, mobility and readiness to respond.