'Swimmingly' definitions:

Definition of 'swimmingly'

From: WordNet
adverb
With no problems or difficulties; "put the plans into effect quickly and smoothly"; "despite of some mishaps, everything went swimmingly" [syn: smoothly, swimmingly]

Definition of 'Swimmingly'

From: GCIDE
  • Swimmingly \Swim"ming*ly\, adv. In an easy, gliding manner, as if swimming; smoothly; successfully; prosperously. [1913 Webster]

Synonyms of 'swimmingly'

From: Moby Thesaurus