Suave

Definition: smoothly gracious or polite; sophisticated polish; well-mannered

Derivation: Latin, “sweet” <referring to sweetness of the mind versus sweetness to the tongue.>

Synonyms: Suave suggests a specific ability to deal with others easily and without friction; diplomatic stresses an ability to deal with ticklish situations tactfully; politic implies shrewd as well as tactful and suave in the handling of people; urbane implies high cultivation and poise coming from wide social experience.