0 past simple and past participle of presume
1 to believe something to be true because it is very likely, although you are not certain:
[ + (that) ] I presume (that) they're not coming, since they haven't replied to the invitation.
[ + speech ] You are Dr Smith, I presume?
[ + obj + adj ] The boat's captain is missing, presumed dead (= it is believed that he is dead).
In British law, you are presumed innocent until you are proved guilty.
[ + obj + to infinitive ] The universe is presumed to contain many other planets with some form of life.
2 to do something although you know that you do not have a right to do it:
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.