[noun] 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" Synonyms: excitement, inflammation, fervor, fervour
[noun] the neural or electrical arousal of an organ or muscle or gland Synonyms: innervation, irritation
[noun] something that agitates and arouses; "he looked forward to the excitements of the day" Synonyms: excitement