Definition from Wiktionary, the free dictionary
- To address.
- He hit upon all major concerns during the presentation.
- (idiomatic) To think of; to invent; to realize.
- 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.