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1. The state of being normally responsive to and in harmony with the environment.
   "Syntony means resonance, to tune in or harmonize with each other, our surroundings, and the way in which we flow with them."
    
2. State of being adjusted to a certain wave length; agreement or tuning between the time period of an apparatus emitting electric oscillations and that of a receiving apparatus, esp. in wireless telegraphy

Derived forms: syntonies

Type of: mental condition, mental state, psychological condition, psychological state