"The very ___!" (4)

I think it could be either:

Which length description are you looking for?:

idea

(Other definitions for idea that I've seen before include "Light bulb above head" , "Plato's Form is" , "Notion, belief" , "Product of the mind" , "Notion, image" .)

I've seen this clue in The New York Times and the Universal.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.