Source : Webster's Revised Unabridged Dictionary (1913)

Assist \As*sist"\, v. t. [imp. & p. p. {Assisted}; p. pr. & vb.
   n. {Assisting}.] [L. assistere; ad + sistere to cause to
   stand, to stand, from stare to stand: cf. F. assister. See
   {Stand}.]
   To give support to in some undertaking or effort, or in time
   of distress; to help; to aid; to succor.

         Assist me, knight. I am undone!          --Shak.

   Syn: To help; aid; second; back; support; relieve; succor;
        befriend; sustain; favor. See {Help}.

Source : WordNet®

assisted
     adj : having help; often used as a combining form [syn: {aided}]
           [ant: {unassisted}]