Synonyms for Suave (same or very similar meaning)
WordNet sense 1 (having a sophisticated charm):
debonair, debonaire, debonnaire
WordNet sense 2 ((used of persons and their behavior) cultivated and genteel):
refined
WordNet sense 3 (smoothly agreeable and courteous with a degree of sophistication):
bland, politic, smooth
WordNet sense 4 (skilled in dealing with sensitive matters or people):
diplomatic, diplomatical
From the ODE community, based on WordNet
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