Crossword Genius

Very soon after (4)

Ross

I believe the answer is:

upon

(Other definitions for upon that I've seen before include "(Placed) on top of" , "Thereafter" , ".... my word! I'm shocked" , "Children's tales may begin ` `Once .... a time' '" , "Straddling" .)

I've seen this clue in the LA Times.
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.