Webster's English Dictionary

healthy

healthy \'hel-the-\ aj 1: enjoying good health : WELL  2: evincing health 
   {a ~ complexion}  3: conducive to health  4a: PROSPEROUS, FLOURISHING  4b: 
   not small or feeble : CONSIDERABLE HEALTHY implies full strength and vigor 
   as well as freedom from signs of disease; SOUND emphasizes the absence of 
   disease, weakness, or malfunction; WHOLESOME implies appearance and 
   behavior indicating soundness and balance; ROBUST implies the opposite of 
   all that is delicate or sickly; HALE applies particularly to robustness in 
   old age; WELL implies merely freedom from disease or illness SYN syn SOUND, 
   WHOLESOME, ROBUST, HALE, WELL: