promptly
adverb
[ ˈprɒm(p)tli ]
• with little or no delay; immediately.
• "he paid the fine promptly"
Similar:
punctually,
on time,
on the dot,
on the nail,
bang on,
spot on,
on the button,
on the knocker,
quickly,
swiftly,
rapidly,
speedily,
fast,
as soon as possible,
ASAP,
expeditiously,
at once,
immediately,
straight away,
right away,
now,
without delay,
without hesitation,
forthwith,
directly,
instantly,
instantaneously,
by return,
unhesitatingly,
momentarily,
pronto,
p.d.q. (pretty damn quick),
in double quick time,
• at exactly a specified time; punctually.
• "Jamie arrived promptly at 8:30"