inflammation

(noun) a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat. Synonyms: redness, rubor.

(noun) the state of being emotionally aroused and worked up. Synonyms: excitement, excitation, fervor, fervour. Examples: "His face was flushed with excitement and his hands trembled." "He tried to calm those who were in a state of extreme inflammation."

(noun) arousal to violent emotion. Synonyms: inflaming.

(noun) the act of setting something on fire. Synonyms: ignition, firing, lighting, kindling.