Soundness
Pronunciation : Sound"ness
Part of Speech : n.
Definition : Defn: The quality or state of being sound; as, the soundness of timber, of fruit, of the teeth, etc.; the soundness of reasoning or argument; soundness of faith.
Syn. -- Firmness; strength; solidity; healthiness; truth; rectitude.
Source : Webster's Unabridged Dictionary, 1913