equivocate
Concise Oxford English Dictionary © 2008 Oxford University Press:
equivocate /ɪˈkwɪvəkeɪt/
▶verb use ambiguous or evasive language.
– derivatives
equivocation noun,
equivocator noun,
equivocatory adjective.
equivocation noun,
equivocator noun,
equivocatory adjective.
– origin ME: from late L. aequivocat-, aequivocare ‘call by the same name’, from aequivocus (see equivocal).
'equivocate' also found in these Oxford entries:

