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”
(n)sunriseatmospheric phenomena accompanying the daily appearance of the sun
(n)sunrisethe daily event of the sun rising above the horizon

Adjectives

(s)sunriseof an industry or technology; new and developing“high-technology sunrise industries”