What is another word for "meridian"?

Roget's Thesaurus (1911) lists these synonyms for "meridian": adolescence, adolescent, adult, adultness, age, assume, attain, aurora, blush, break, breezy, call, chicken, cockcrow, cockcrowing, come, crepuscule, cut, dawn, day, daybreak, dayspring, discretion, equinox, estate, evening, first, flower, flush, forehead, forenoon, full, grown, have, hours, incense-breathing, lark, life, loup, majority.