Answer: dawned

AnswerCrossword Clue
DAWNEDGrew light.
dawnedto begin to grow light
dawnedDAWN, to grown light in the morning
dawnedthe break of day
dawnedthe beginning of anything
dawnedto become apparent
DAWNEDOccurred to (with "on")
DAWNEDBegan
DAWNEDOccurred to, with "on"
DAWNEDGrew light
DAWNEDCame to light
DAWNEDBegan to be understood.
DAWNEDBecame lighter
DAWNEDBegan to develop
DAWNEDBecame apparent to, with "on"
DAWNEDBegan to be understood
DAWNEDStarted the day
DAWNEDAppeared, as the day
DAWNEDEmerged