THESAURUS
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
ROGET THESAURUS
come of age
Adolescence
VB
come of age, come to man's estate, come to years of discretion, attain majority, assume the toga virilis, have cut one's eyeteeth, have sown one's mild oats.