prompt

give an incentive for action

a symbol that appears on the computer screen to indicate that the computer is ready to receive a command

a cue given to a performer (usually the beginning of the next line to be spoken)

“the audience could hear his prompting”

assist (somebody acting or reciting) by suggesting the next words of something forgotten or imperfectly learned

serve as the inciting cause of

“She prompted me to call my relatives”

performed with little or no delay

“a prompt reply”

according to schedule or without delay; on time

“the train is prompt”

ready and willing or quick to act

“she is always prompt to help her friends”