What is another word for "prime"?

Roget's Thesaurus (1911) lists these synonyms for "prime": admission, adolescence, adolescent, adult, adultness, advance, age, agent, and, ante, architect, assume, attain, aurora, author, babyhood, bank, bargain, beardless, bleed, bloom, blush, bon, boyhood, break, breezy, bribe, budding, buy, call, callow, catchpenny, charge, cheap, cheapness, chicken, childhood, circulation, cockcrow, cockcrowing.