The Collaborative International Dictionary of English v.0.48:
Candidacy \Can"di*da*cy\, n. The position of a candidate; state of being a candidate; candidateship. [1913 Webster]WordNet (r) 3.0 (2006):
candidacy n 1: the campaign of a candidate to be elected [syn: campaigning, candidacy, candidature, electioneering, political campaign]