"When You Wish __ a Star" (4)

I believe the answer is:

upon

(Other definitions for upon that I've seen before include "Au courant" , "Onto" , "(Placed) on top of" , "voucher, business stopped" , "Supported by (a surface)" .)

I've seen this clue in the Newsday.

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.