presuppose
Concise Oxford English Dictionary © 2008 Oxford University Press:
presuppose/priːsəˈpəʊz/
▶verb require as a precondition of possibility or coherence.
■ tacitly assume to be the case.
– derivatives
presupposition noun.
presupposition noun.
– origin ME: from OFr. presupposer, suggested by med. L. praesupponere, from prae ‘before’ + supponere (see suppose).
'presuppose' also found in these Oxford entries:

