noun (n)

• an excited state of a stable particle causing a sharp maximum in the probability of absorption of electromagnetic radiation(noun.phenomenon)

  source: wordnet30
• a vibration of large amplitude produced by a relatively small vibration near the same frequency of vibration as the natural frequency of the resonating system(noun.phenomenon)

  source: wordnet30
• having the character of a loud deep sound; the quality of being resonant(noun.attribute)

  Synonym:
  plangency, reverberance, ringing, sonority, sonorousness, vibrancy
  

  source: wordnet30
• a relationship of mutual understanding or trust and agreement between people(noun.linkdef)

  Synonym:
  rapport
  

  source: wordnet30
• the quality imparted to voiced speech sounds by the action of the resonating chambers of the throat and mouth and nasal cavities(noun.attribute)

  source: wordnet30
• The act of resounding; the quality or state of being resonant.(noun)

  source: webster1913
• An electric phenomenon corresponding to that of acoustic resonance, due to the existance of certain relations of the capacity, inductance, resistance, and frequency of an alternating circuit.(noun)

  source: webster1913