verb (used with object), pre·sup·posed, pre·sup·pos·ing.
Origin of presuppose
Examples from the Web for presupposition
All this however was based on a presupposition, which could not but lead the English to further ecclesiastical changes.
Or, a value may form part of the unconscious "presupposition" of another value, which is consciously felt at the moment.Social Value|B. M. Anderson
In this presupposition, however, there is much more involved than the name just chosen would indicate.
This presupposition even of an indeterminate faith is, however, by no means necessary.The Essence of Christianity|Ludwig Feuerbach
This presupposition in no way agrees with the historical facts.