v. To campaign for an elective office, on one's own behalf, or on behalf of another, particularly by direct contact.
the GNU version of the Collaborative International Dictionary of English
verb-intransitive. To make interest for a candidate at an election; to use arts for securing the election of a candidate.
The Century Dictionary and Cyclopedia
To employ means for influencing an election, as public speaking, solicitation of votes, etc.; work for the success of a candidate or of a party in an election: as, to electioneer for a candidate, or for a ticket; he electioneered with great effect.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. work actively for a political candidate or a party
Word Usage
""When corporations use other people's money to electioneer, that is a harm not just to the shareholders themselves but a sort of a broader harm to the public that comes from distortion of the electioneering that is done by corporations," Kagan said."