the quality of something (an act or a piece of writing) that reveals the attitudes and presuppositions of the author(noun.attribute)
Example: The general tone of articles appearing in the newspapers is that the government should withdraw.
From the tone of her behavior I gathered that I had outstayed my welcome.
source: wordnet30
Sound, or the character of a sound, or a sound considered as of this or that character; as, a low, high, loud, grave, acute, sweet, or harsh tone.(noun)
source: webster1913
Quality, with respect to attendant feeling; the more or less variable complex of emotion accompanying and characterizing a sensation or a conceptual state; as, feeling tone; color tone.(noun)
source: webster1913
verb (v)
utter monotonously and repetitively and rhythmically(verb.communication)