Synonyms for Equivocation (same or very similar meaning)
WordNet sense 1 (a statement that is not literally false but that cleverly avoids an unpleasant truth):
evasionWordNet sense 2 (intentionally vague or ambiguous):
evasiveness, prevaricationWordNet sense 3 (falsification by means of vague or ambiguous language):
tergiversationFrom the ODE community, based on WordNetadd/edit