sagacious -
skillful in statecraft or management; "an astute and sagacious statesman"
politic 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"
sagacious -
acutely insightful and wise; "much too perspicacious to be taken in by such a spurious argument"; "observant and thoughtful, he was given to asking sagacious questions"; "a source of valuable insights and sapient advice to educators"
