Nouns

(n)excitement, excitation, inflammation, fervor, fervourthe 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”
(n)excitation, innervation, irritationthe neural or electrical arousal of an organ or muscle or gland
(n)excitation, excitementsomething that agitates and arouses“he looked forward to the excitements of the day”