\Pre*sume"\, v. t. [imp. & p. p. {Presumed}; p. pr. &
vb. n. {Presuming}.] [F. pr['e]sumer, L. praesumere,
praesumptum; prae before + sumere to take. See {Assume},
{Redeem}.]
1. To assume or take beforehand; esp., to do or undertake
   without leave or authority previously obtained.
         Dare he presume to scorn us in this manner? --Shak.
         Bold deed thou hast presumed, adventurous Eve.
                                               --Milton.
2. To take or suppose to be true, or entitled to belief,
   without examination or proof, or on the strength of
   probability; to take for granted; to infer; to suppose.
         Every man is to be presumed innocent till he is
         proved to be guilty.                  --Blackstone.
         What rests but that the mortal sentence pass, . . .
         Which he presumes already vain and void, Because not
         yet inflicted?                        --Milton.

\Pre*sume"\, v. i.
1. To suppose or assume something to be, or to be true, on
   grounds deemed valid, though not amounting to proof; to
   believe by anticipation; to infer; as, we may presume too
   far.
2. To venture, go, or act, by an assumption of leave or
   authority not granted; to go beyond what is warranted by
   the circumstances of the case; to venture beyond license;
   to take liberties; -- often with on or upon before the
   ground of confidence.
         Do not presume too much upon my love. --Shak.
         This man presumes upon his parts.     --Locke.