The quality of being charming, confident, and elegant.
Suavenesses is a good thing because it means someone is charming and confident.
Examples:
Her suavenesses made everyone like her.
The suavenesses of his manners impressed everyone at the party.
He always carries himself with great suavenesses.
The cat walked with such suavenesses, it was like a little prince.
The suavenesses of his speech was like music to my ears.
The suavenesses of the dancer's movements was mesmerizing.