As a noun:
* The student's prompt response impressed the teacher.
* The prompt for the essay was "What is the meaning of life?"
* The actor forgot his lines, so the director gave him a prompt.
As an adjective:
* She arrived promptly at the meeting.
* The prompt delivery of the package was appreciated.
* The customer service was prompt and efficient.
As a verb:
* The fire alarm prompted everyone to evacuate the building.
* The news report prompted a public outcry.
* His words prompted a wave of laughter.
In different contexts:
* "Please prompt me if I forget what to say." (To ask for help remembering something)
* "The website has a prompt that asks for your email address." (A question or instruction on a computer screen)
* "The deadline for the project is prompting me to work harder." (Something that encourages or motivates)
The best way to use "prompt" depends on the context and the meaning you want to convey.