done, performed, delivered, etc., at once or without delay

a prompt reply.

ready in action; quick to act as occasion demands.

quick or alert

prompt to take offense.

punctual.

to move or induce to action

What prompted you to say that?

to occasion or incite; inspire

What prompted his resignation?

to assist (a person speaking) by suggesting something to be said.

Theater . to supply (an actor, singer, etc.) from offstage with a missed cue or forgotten line.

Theater . to supply forgotten lines, lyrics, or the like to an actor, singer, etc.

Commerce .

a limit of time given for payment for merchandise purchased, the limit being stated on a note of reminder (prompt note).

the contract setting the time limit.

the act of prompting.

something serving to suggest or remind.

Computers . a message or symbol from a computer system to a user, generally appearing on a display screen, requesting more information or indicating that the system is ready for user instructions. ?

take a prompt

(in acting) to move or speak in response to a cue.

adjective

late , negligent , slow , tardy

verb

halt , prevent , stop

adjective

alert , apt , brisk , eager , efficient , expeditious , immediate , instant , instantaneous , on the ball * , on the button , on the dot , on the nose * , on time , precise , punctual , quick , rapid , ready , smart , speedy , swift , timely , unhesitating , vigilant , watchful , wide-awake , willing , celeritous , mercurial , telegraphic

noun

cue , help , jog , jolt , mnemonic , prod , reminder , spur , stimulus , twit , alacrity , celerity , expedition , promptitude , promptness , punctuality , speed

verb

advise , aid , arouse , assist , bring up , call forth , cause , convince , draw , egg on * , elicit , evoke , exhort , get , give rise to , goad , help , help out , hint , impel , imply , indicate , induce , inspire , instigate , jog , mention , motivate , move , occasion , persuade , prick * , prod , propel , propose , provoke , refresh , remind , sic , spur , stimulate , suggest , talk into , urge , win over , egg on , excite , foment , galvanize , incite , inflame , pique , prick , set off , touch off , trigger , work up , active , actuate , alert , animate , cue , encourage , fast , forward , instantaneous , needle , nudge , on time , punctual , quick , ready , reminder , responsive , swift , timely