The Collaborative International Dictionary of English v.0.48:

Mugwumpery \Mug"wump`er*y\, Mugwumpism \Mug"wump*ism\, n.
   The acts and views of the mugwumps. [Political Cant, U.S.]
   [1913 Webster] Muhammadan

Moby Thesaurus II by Grady Ward, 1.0:

40 Moby Thesaurus words for "mugwumpery":
   abstention, ambitendency, ambivalence, anythingarianism,
   capriciousness, change of mind, changeableness, cop-out,
   double-mindedness, dubiety, dubiousness, evasion, fence-sitting,
   fence-straddling, fickleness, impartiality, inconstancy,
   indecision, indecisiveness, independence, infirmity of purpose,
   instability, irresolution, mercuriality, mugwumpism, neutralism,
   neutrality, nonalignment, noncommitment, noninvolvement,
   nonpartisanism, nothingarianism, second thoughts,
   strict neutrality, tergiversation, uncertainty, undecidedness,
   undeterminedness, unsettledness, unsettlement