excitement, excitation, inflammation, fervor, fervour -- (the state of being emotionally aroused and worked up; "his face was flushed with excitement and his hands trembled"; "he tried to calm those who were in a state of extreme inflammation")
excitation, innervation, irritation -- (the neural or electrical arousal of an organ or muscle or gland)
excitation, excitement -- (something that agitates and arouses; "he looked forward to the excitements of the day")