1. Upon welcoming his father outside the door and uttering the word, he received a light tap on his head.
2. The spot of light would move from the Buddha's nose to the bellybutton upon midnight.
3. In such a light he called upon the students present to also commit themselves to the challenges ahead.
4. As we chatted and ate nuts and laughed at some authors'peculiarities, a light drizzle touched upon the river outside.
5. Shine the light of your countenance upon us, you miserable blighter.
verb
1. find unexpectedly
e.g. the archeologists chanced upon an old tomb
she struck a goldmine
The hikers finally struck the main path to the lake
Synonym: fall upon strike come upon chance upon come across chance on happen upon attain discover