"mellowness" in the noun sense
a feeling of good humor and sympathy through maturity or intoxication or a relaxed state
a taste (especially of fruit) that is ripe and of full flavor
3. fullness, mellowness, richness
the property of a sensation that is rich and pleasing
"the music had a fullness that echoed through the hall"
"the cheap wine had no body, no mellowness"
"he was well aware of the richness of his own appearance"
a soft shade of a color
"a mellowness of light and shade not attainable in marble"
geniality, as through the effects of alcohol or marijuana
Source: WordNet® (An amazing lexical database of English)
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