Meaning : A cue given to a performer (usually the beginning of the next line to be spoken).
The audience could hear his prompting.
Synonyms : prompting
Meaning : (computer science) a symbol that appears on the computer screen to indicate that the computer is ready to receive a command.
Synonyms : command prompt
Meaning : According to schedule or without delay. On time.
The train is prompt.
Meaning : Ready and willing or quick to act.
She is always prompt to help her friends.