What is another word for "ripe"?

Roget's Thesaurus (1911) lists these synonyms for "ripe": academician, academist, admirable, adolescence, adolescent, adult, adultness, age, and, antiquarian, antiquary, archaeologist, assume, attain, bibliomaniac, bibliophile, bigwig, bluestocking, bookworm, chicken, clerk, come, connoisseur, cut, discretion, doctor, doctrinaire, don, education, estate, feet, fellow, flower, full, genius, glossographer, good, gownsman, graduate, grammarian.