[Benjamin]

Young:

active, adolescent, baby, brood, budding, cadet, callow, child, childish, fledging, fledgling, fresh, green, ignorant, immature, inexperienced, infant, infantile, junior, juvenescent, juvenile, litter, minor, new, newborn, offspring, pubescent, puerile, puisne, raw, stripling, succulent, suckling, tender, undeveloped, unseasoned, weak, wunderkind, youthful

launch:

begin, bombard, catapult, commence, descant, discharge, eject, expatiate, fire, fling, heave, hurl, introduce, open, premiere, propel, set afloat, set going, start, throw, toss