promptly

Adverb

• at once (usually modifies an undesirable occurrence)
  • he promptly forgot the address
    

• in a punctual manner
  • he did his homework promptly
    

• with little or no delay
  • the rescue squad arrived promptly
    
  • come here, quick!
    

Related words

• Synonyms: 
  right away , readily , pronto , quickly , quick