Synonyms:
debonair, debonaire, debonnaire, suave
Meaning: having a sophisticated charm; "a debonair gentleman"
Synonyms:
politic, smooth, suave, bland
Meaning: smoothly agreeable and courteous with a degree of sophistication; "he was too politic to quarrel with so important a personage"; "the manager pacified the customer with a smooth apology for the error"
Usage examples
Evidently he had no desire to terrorize the man, but to conciliate him, for his own purposes, for his manner was pleasant and suave.