adverb (r)

• with little or no delay

  dengan sedikit atau tidak ada penundaan

  Example:
  The rescue squad arrived promptly.
  

  Synonym:
  quick, quickly
  

  source: wordnet30
• in a punctual manner

  dalam cara yang tepat

  Example:
  He did his homework promptly.
  

  Synonym:
  pronto, readily
  

  source: wordnet30
• at once (usually modifies an undesirable occurrence)

  sekaligus (biasanya mengubahsuai sebuah kejadian tidak disukai)

  Example:
  He promptly forgot the address.
  

  source: wordnet30
• In a prompt manner.

  desakan dalam beberapa cara.

  source: webster1913