excitation

Noun

• something that agitates and arouses
  • he looked forward to the excitements of the day
    

• the neural or electrical arousal of an organ or muscle or gland

• 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
    

Related words

• Synonyms: 
  excitement , innervation , irritation , inflammation , fervor , fervour