promptly (adv.)

• agilely
• amain
• animatedly
• anxiously
• apace
• ardently
• avidly
• breathlessly
• cursorily
• decisively
• directly
• eagerly
• enthusiastically
• expeditiously
• fast
• feverishly
• forthwith
• furiously
• hastily
• helter-skelter
• hotfoot
• hurriedly
• immediately
• impatiently
• instantaneously
• instantly
• keenly
• momentarily
• nimbly
• pell-mell
• post
• pronto
• punctually
• quick
• quickly
• rapidly
• readily
• slapdash
• smartly
• speedily
• straightaway
• straightway
• summarily
• superficially
• swiftly
• trippingly
• vivaciously
• willingly
• zealously
• zestfully