Source : Webster's Revised Unabridged Dictionary (1913)

Analeptic \An`a*lep"tic\, a. [Gr. ? restorative: cf. F.
   analeptique. See {Analepsis}.] (Med.)
   Restorative; giving strength after disease. -- n. A
   restorative.

Source : WordNet®

analeptic
     adj : stimulating the central nervous system; "an analeptic drug
           stimulates the central nervous system"
     n : a medication used as a stimulant to the central nervous
         system