dawn

the first light of day; "we got up before dawn"; "they talked until morning"

the earliest period; "the dawn of civilization"; "the morning of the world"

an opening time period; "it was the dawn of the Roman Empire"

become clear or enter one's consciousness or emotions; "It dawned on him that she had betrayed him"; "she was penetrated with sorrow"

appear or develop; "The age of computers had dawned"

become light; "It started to dawn, and we had to get up"