Source : Webster's Revised Unabridged Dictionary (1913)

Supervise \Su`per*vise"\, v. t. [imp. & p. p. {Supervised}; p.
   pr. & vb. n. {Supervising}.] [Pref. super- + L. visere to
   look at attentively, to view, surely, intens. from videre,
   visum, to see. Cf. {Survise}, and {Survey}.]
   1. To oversee for direction; to superintend; to inspect with
      authority; as, to supervise the construction of a steam
      engine, or the printing of a book.

   2. To look over so as to read; to peruse. [Obs.] --Shak.

   Syn: See {Superintend}.

Supervise \Su`per*vise"\, n.
   Supervision; inspection. [Obs.]

Source : WordNet®

supervise
     v 1: watch and direct; "Who is overseeing this project?" [syn: {oversee},
           {superintend}, {manage}]
     2: keep tabs on; keep an eye on; keep under surveillance [syn:
        {monitor}, {ride herd on}]