adverb (r)

• with no problems or difficulties

  tanpa menghadapi masalah atau kesulitan

  Example:
  Put the plans into effect quickly and smoothly.
  

  Synonym:
  swimmingly
  

  source: wordnet30
• in a smooth and diplomatic manner

  dalam halus dan cara diplomatik

  Example:
  `And now,' he said smoothly, `we will continue the conversation'.
  

  source: wordnet30
• In a smooth manner.

  dalam cara yang licin.

  source: webster1913