Source : Webster's Revised Unabridged Dictionary (1913)

Recuperation \Re*cu`per*a"tion\ (-?`sh?n), n.. [L. recuperatio:
   cf. F. r['e]cup?ration.]
   Recovery, as of anything lost, especially of the health or
   strength.

Source : WordNet®

recuperation
     n : gradual healing (through rest) after sickness or injury
         [syn: {convalescence}, {recovery}]