dawn dawn /ˈdɔn/

noun

1. () The first light of day  ( aurora , break of the day , cockcrow , break of day , dayspring , first light , morning , sunrise , sunup , dawn , dawning , daybreak )
   the first light of day
    We got up before dawn
   we got up before dawn
    They talked until morning
   they talked until morning
   
   
2. () The earliest period  ( morning , dawn )
   the earliest period
    The dawn of civilization
   the dawn of civilization
    The morning of the world
   the morning of the world
   
3. An opening time period  ( dawn )
   an opening time period
    It was the dawn of the Roman Empire
   it was the dawn of the Roman Empire
   

verb

1. () Become clear or enter one's consciousness or emotions  ( click , fall into place , get through , come home , dawn , get across , penetrate , sink in )
   become clear or enter one's consciousness or emotions
    It dawned on him that she had betrayed him
   It dawned on him that she had betrayed him
    She was penetrated with sorrow
   she was penetrated with sorrow
   
2. Become light  ( dawn )
   become light
    It started to dawn, and we had to get up
   It started to dawn, and we had to get up
   
3. Appear or develop  ( dawn )
   appear or develop
    The age of computers had dawned
   The age of computers had dawned