Source : Webster's Revised Unabridged Dictionary (1913)

Recuperate \Re*cu"per*ate\ (-?t), v. i. [imp. &. p. p.
   {Recuperated} (-?`t?d); p. pr. & vb. n. {Recuperating}.] [L.
   recuperatus, p. p. of recuperare. See {Recover} to get
   again.]
   To recover health; to regain strength; to convalesce.

Recuperate \Re*cu"per*ate\, v. t.
   To recover; to regain; as, to recuperate the health or
   strength.

Source : WordNet®

recuperate
     v 1: regain or make up for; "recuperate one's losses" [syn: {recover},
           {recoup}]
     2: regain a former condition after a financial loss; "We expect
        the stocks to recover to $2.90"; "The company managed to
        recuperate" [syn: {recover}, {go back}]
     3: restore to good health or strength
     4: get over an illness or shock; "The patient is recuperating"
        [syn: {recover}, {convalesce}] [ant: {devolve}]