The Collaborative International Dictionary of English v.0.48:

Electioneer \E*lec`tion*eer"\, v. i. [imp. & p. p.
   Electionered; p. pr. & vb. n. Electioneering.]
   To make interest for a candidate at an election; to use arts
   for securing the election of a candidate.
   [1913 Webster]

         A master of the whole art of electioneering.
                                                  --Macaulay.
   [1913 Webster]