adjective

extraordinarily good or attractive.

they did a fantastic job

tremendous,remarkable,great,terrific,enormous,huge,striking,impressive,outstanding,phenomenal,monumental,overwhelming,marvellous,wonderful,sensational,magnificent,superb,superlative,excellent,very good,first-rate,first-class,dazzling,out of this world,breathtaking,fabulous,fab,mega,super,stellar,ace,magic,A1,cracking,cool,wicked,awesome,amazeballs,way-out,def,brilliant,brill,smashing,bosting,bonzer,spiffing,topping,tip-top,top-notch,capital