Hit Upon Meaning

(idiomatic) To think of; to invent; to realize.

Example: To address.
  He hit upon all major concerns during the presentation.
  2006. "They hit upon the idea of a site that would help users exchange video files." — "Venture Firm Shares a YouTube Jackpot", by Miguel Helft and Matt Richtel, New York Times, October 10, 2006.