IPA: /ˈswɑːv.nəs/
KK: /ˈswɑːv.nəs/
The quality of being charming, confident, and elegant in manner.
His suaveness made him very popular at social gatherings.
Suaveness is formed from "suave" (from Latin "suavis", meaning sweet or pleasant) and the suffix "-ness" (meaning the state or quality of). The word "suaveness" refers to the quality of being sweet or pleasant in manner or appearance.
Think of 'sweetness' ('suavis') to remember that 'suaveness' means the quality of being sweet or pleasant.