as planned (adverb) swimmingly: very well
Sinonime: advance, age, arrive, attain majority, become experienced, become wise, bloom*, blossom, come of age, culminate, develop, evolve, fill out, flower*, grow, grow up, mellow*, mushroom, perfect, prime*, progress, reach adulthood, reach majority, ripen, round, season, settle down, shoot up
Antonime: lousy