come of age

from WordNet (r) 3.0 (2006)

come of age
    v 1: reach a certain age that marks a transition to maturity

from Moby Thesaurus II by Grady Ward, 1.0

19 Moby Thesaurus words for "come of age":
      attain majority, bloom, come to maturity, develop, fledge, flower,
      grow, grow up, leave the nest, mature, mellow, reach manhood,
      reach twenty-one, reach voting age, ripen, season, settle down,
      temper, toga virilis