Came to light (5)
'came to light' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for arose that I've seen before include "Sprang up" , "Happened" , "''. ... by any other name would smell as sweet'' (Romeo and Juliet)" , "Became apparent" , "appeared" .)
'came to light' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for dawned that I've seen before include "'Fell into place, sank in (6)'" , "Became clear like the rising sun" .)