fervor in WordNet English dictionary

1. feelings of great warmth and intensity
   "he spoke with great ardor"
   ardor  ardour  fervor  fervour  fervency  fire  fervidness 
   
2. 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"
   excitement  excitation  inflammation  fervor  fervour