Verb
To address.
He hit upon all major concerns during the presentation.
(idiomatic) To think of; to discover or invent.
Source: en.wiktionary.orgPhilosophical problems can be compared to locks on safes, which can be opened by dialing a certain word or number, so that no force can open the door until just this word has been hit upon, and once it is hit upon any child can open it. Ludwig Wittgenstein
Talking is not enough; words don't clarify anything. I'll have to hit upon something, but what? Imre Kertész
Calculus, the electrical battery, the telephone, the steam engine, the radio - all these groundbreaking innovations were hit upon by multiple inventors working in parallel with no knowledge of one another. Steven Johnson
For instance, I'm always fascinated to see whether, given the kind of fairly known and established form called popular music, whether there is some magic combination that nobody has hit upon before. Brian Eno
There is a remedy for everything, could we but hit upon it. American Proverb
Waiting for a rabbit to hit upon a tree and be killed in order to catch it. Chinese Proverb