1. healthy
2. bouncing, firm, flourishing, growing, thriving, good, sound, hale, whole, hearty, hearty, full-blooded, lusty, red-blooded, rubicund, ruddy, sanguine, well-preserved, wholesome, flushed, rose-cheeked, rosy, rosy-cheeked, anicteric, fit, robust, well, wholesome, sound
3. salubrious
4. good for you, wholesome, fit
5. able, able-bodied, conditioned, in condition, sound, well, intelligent
5. levelheaded, sound, reasonable, sensible