Augur, v. Foretell, portend, predict, presage, prophesy, divine, prognosticate, betoken.
Ant. Demonstrate, establish, settle, prove, warrant, calculate.
August. Awful, imposing, majestic, stately, grand, regal, kingly, princely, noble, dignified.
Ant. Mean, common, vulgar, beggarly, commonplace, paltry.
Auspicious. Successful, fortunate, lucky, happy, prosperous; propitious, promising, opportune, favorable.
Ant. Hopeless, abortive, unpromising, unsatisfactory, discouraging.
Austere. Severe, hard, stiff, stern, uncompromising, unrelenting, ascetic, rigid, formal.
Ant. Affable, kindly, indulgent, genial, bland, mild, tender.
Authentic. Genuine, trustworthy, veritable, accepted, authorized, certain, accredited, sure, true, reliable, original, legitimate.
Ant. False, fictitious, spurious, unauthorized, apocryphal, fabulous, counterfeit.