prompt

adjective
UK /prɒmpt/
US /prɑːmpt/

Doing something right away without waiting.

She was prompt in answering the teacher's question.


OTHER MEANINGS

2. To remind or encourage someone to do something.

The teacher prompted the students to share their ideas.

3. Words shown on a screen to help someone remember what to say.

The actor forgot his lines and needed a prompt.

4. Done without delay.

We got a prompt reply to our letter.