Open English Wordnet
Nouns
(n)dawn, dawning, morning, aurora, first light, daybreak, break of day, break of the day, dayspring, sunrise, sunup, cockcrowthe first light of day“we got up before dawn”, “they talked until morning”
Verbs
(v)click, get through, dawn, come home, get across, sink in, penetrate, fall into placebecome clear or enter one's consciousness or emotions“It dawned on him that she had betrayed him”, “she was penetrated with sorrow”