1) Blamelessly 2) Cleanly 3) Effortlessly 4) Faultlessly 5) Immaculately 6) Impeccably 7) In an adroit manner 8) Like a dream 9) Perfectly 10) Seamlessly 11) Spotlessly 12) Without a glitch 13) Without a mistake 1) Cleanly 2) Completely 3) Impeccably 4) Toat 5) To a tee 
Flawlessly (1988–2002) was an American Thoroughbred race horse bred by Harbor View Farm. She was a daughter of 1978 Triple Crown of Thoroughbred Racing champion Affirmed and La Confidence by Nijinsky II. At two, she trained under Dick Dutrow, winning her first stakes victories, the Tempted Stakes and the Gardenia Stakes, both Grade III events. S...
[adv] - in an adroit manner
cleanly adverb in an adroit manner; `he bounced it cleanly off the wall`