Synonyms of promptly in English:

promptly


See definition of promptly

adverb

1‘William arrived promptly at 7.30’

SYNONYMS
punctually, on time, on the dot, on the nail
informal bang on, spot on
North American informal on the button
Australian, New Zealand informal on the knocker

2‘I expect the matter to be dealt with promptly’

SYNONYMS
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
North American momentarily
informal pronto, ASAP, p.d.q., pretty damn quick, in double quick time