Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

daybreak; dayspring†, foreday†, sunup; peep of day, break of day; aurora; first blush of the morning, first flush of the morning, prime of the morning; twilight, crepuscule, sunrise; cockcrow, cockcrowing†; the small hours, the wee hours of the morning. spring; vernal equinox, first point of Aries. noon; midday, noonday; noontide, meridian, prime; nooning, noontime. summer, midsummer. Adj. matin, matutinal†; vernal. Adv. at sunrise &c n.; with the sun, with the lark, when the morning dawns. Phr. at shut of evening flowers [Paradise Lost]; entre chien et loup [Fr.]; flames in the forehead of the morning sky [Milton]; the breezy call of incense-breathing morn [Gray].