[n] the quality imparted to voiced speech sounds by the action of the resonating chambers of the throat and mouth and nasal cavities
[n] having the character of a loud deep sound; the quality of being resonant
[n] 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
[n] an excited state of a stable particle causing a sharp maximum in the probability of absorption of electromagnetic radiation
[n] relation of mutual understanding or trust and agreement between people