| blossom(advance, develop, perfect, grow, mature) |
| culminate(advance, develop, perfect, grow, mature) |
| evolve(advance, develop, perfect, grow, mature) |
| fill out(expression, advance, develop, perfect, grow) |
| fledge |
| fully grown(expression, develop, grow, mellow, evolve) |
| maturate(verb, advance, develop, perfect, grow) |
| mushroom(advance, develop, perfect, grow, mature) |
| perfect(advance, develop, grow, mature, mellow) |
| prime(advance, develop, perfect, grow, mature) |
| progress(advance, develop, perfect, grow, mature) |
| reach adult status(expression, idiom) |
| reach adulthood(expression, advance, develop, perfect, grow) |
| reach majority(expression, advance, develop, perfect, grow) |
| reach manhood |
| reach twenty-one |
| round(advance, develop, perfect, grow, mature) |
| shoot up(expression, advance, develop, perfect, mature) |
| temper |
| toga virilis |