Meaning of “prompt” - Learner’s Dictionary

prompt

verb [ T ] uk us /prɒmpt/
CAUSE

to cause something:

His remarks prompted a lot of discussion.
prompt sb to do sth

to cause someone to do something:

What prompted him to leave?
HELP REMEMBER

to help someone, often an actor, remember what they were going to say or do

(Definition of “prompt verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)