modified
ripened, grown, full-grown, mellowed, aged, middle-aged, developed, prime, advanced, full-blown, perfected, prepared, consummated, evolved, reasoned, considered, complete, cured, culminated, cultivated, cultured, at a high peak, brought to perfection, reached its goal, manly, womanly, sophisticated, experienced; see also finished.
Antonyms young*, childish*, adolescent.