1. the quality or state of being easily excited or aroused to emotion or action

Examples

• The child's excitableness made it difficult for her to sit still during the long ceremony.
• His nervous excitableness was evident whenever he had to speak in public.
• The dog's excitableness increased whenever visitors arrived at the house.
• Teachers often note that students' excitableness peaks on days before holidays.
• Her excitableness about the upcoming trip kept her awake all night.
• The medication helped reduce his excitableness and anxiety levels.