[1] : The Collaborative International Dictionary of English v.0.48

convalesce \con`valesce"\, v. i. imp.  p. p. convalesced;
   p. pr.  vb. n. convalescing. l. convalscere; con- +
   valescere to grow strong, v. incho. of valere to be strong.
   see valiant.
   to recover health and strength gradually, after sickness or
   weakness; as, a patient begins to convalesce.
   1913 webster
see also:
convalesced convalescing valiant 

[2] : WordNet (r) 2.0

convalesce
     v : get over an illness or shock; "the patient is recuperating"
         syn: recuperate, recover ant: devolve
see also:
recuperate recover devolve 

Convalesce >> C Words
Convalesce, definition of term: Convalesce
convalesce_pag1.html