Swimmingly

3 clues
With great ease
With great success
How Mark Spitz gets along
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Achingly
Adoringly
Amazingly
Appealingly
Askillfulswimmer
Bitingly
Boastingly
Caressingly
Condescendingly
Cunningly
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Daringly
Dashingly
Disarmingly
Disconcertingly
Enduringly
Engagingly
Enticingly
Erringly
Fetchingly