ably adeptly adroitly agilely aptly arbitrarily artfully artistically autocratically brilliantly capably cleverly competently cunningly deftly despotically dexterously dextrously dictatorially efficiently excellently expertly featly handily high-handedly imperiously ingeniously magisterially neatly nimbly overbearingly peremptorily proficiently resourcefully skillfully spryly superbly tyrannically well with consummate skill with finesse with genius with skill