swimmingly

adverb2

1. •
   With a gliding motion suggesting swimming.

   • Bear your Hips swimmingly, tholl loll, loll, / Keep your Eyes languishing, tholl loll, loll, […] — 1719
2. •
   (informal, figurative) In a very favorable manner; without difficulty; agreeably, successfully.

   • […] I'faith; how swimmingly would this pretty little / Ambling Filly carry a man of my body! — 1668