Immediately (2,4)

(Other definitions for due that I've seen before include "Escort" , "imminent" , "Owing, unpaid" , "Owed - expected" , "Entitlement" .)

(Other definitions for now that I've seen before include "At present, this instant" , "At the present time" , "Immediately" , "straight away" , "The present moment" .)

(Other definitions for anon that I've seen before include "Soon, precious stone" , "Writer unknown" , "Soon; unnamed" , "In due course" , "Nameless - presently" .)

(Other definitions for next that I've seen before include "Coming nearest in time or sequence" , "Immediately following in time or order" , "shop" , "Subsequent" , "First in line" .)

(Other definitions for asap that I've seen before include "Notation or acronym meaning without avoidable delay" , "Notation-acronym meaning without delay" , "At the earliest opportunity (abbrev.)" , "Common acronym for quick-as-you-can" , "Notation meaning with minimum delay" .)

(Other definitions for instantly that I've seen before include "Immediately, forthwith" , "With no delay, this very second" , "Without delay or hesitation" .)

(Other definitions for forthwith that I've seen before include "on the spot" , "without further delay - at which it starts, audibly" , "Without delay or hesitation" , "Immediately as with froth" .)

(Other definitions for thereupon that I've seen before include "Shortly after that" , "immediately after that" , "straight afterwards" , "at that point" , "straightaway" .)

(Another definition for onthespot that I've seen is " immediately".)

(Other definitions for at once that I've seen before include "Right now, this instant" , "A no etc (anag)" , "This instant - no delay (2,4)" , "This instant, hop to it" , "This instant, without delay" .)

(Other definitions for there and then that I've seen before include "Instantly (but not here and now!)" , "Forthwith, immediately" , "straight away" , "Without hesitation" .)

(Other definitions for right away that I've seen before include "without hesitation" , "in no time" , "Immediately" , "This instant, without delay" , "This very minute, without delay" .)

(Other definitions for pronto that I've seen before include "Quickly, promptly" , "Quickly, amigo" , "Double quick!" , "Quickly, without delay" , "Right now, amigo" .)

(Other definitions for right off that I've seen before include "Without delay" , "Immediately" .)

(Other definitions for here and now that I've seen before include "on the spot" , "present" , "At this time" .)

(Other definitions for today that I've seen before include "12, 12" , "one of our papers, once" , "Modern times" , "Current period of 24 hours" , "The present time or age" .)

(Another definition for straight away that I've seen is " Immediately".)

(Other definitions for lickety-split that I've seen before include "(In the US) at once" , "Without delay" , "As fast as possible" , "Speedily" .)