The Collaborative International Dictionary of English v.0.48:

Presume \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.
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            Dare he presume to scorn us in this manner? --Shak.
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            Bold deed thou hast presumed, adventurous Eve.
                                                  --Milton.
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   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.
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            Every man is to be presumed innocent till he is
            proved to be guilty.                  --Blackstone.
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            What rests but that the mortal sentence pass, . . .
            Which he presumes already vain and void,
            Because not yet inflicted?            --Milton.
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Moby Thesaurus II by Grady Ward, 1.0:

58 Moby Thesaurus words for "presumed":
   accounted as, alleged, anticipated, assumed, assumptive, awaited,
   conjectured, deemed, due, expected, forejudged, foreseen, given,
   granted, hinted, hoped-for, imminent, implicated, implied,
   in prospect, in view, indicated, inferred, intimated, involved,
   judged beforehand, long-expected, meant, on the horizon, overdue,
   postulated, postulational, preconceived, preconceptual,
   preconcluded, predecided, predetermined, predisposed,
   predispositional, prejudged, prejudging, prejudicial, premised,
   presumptive, presupposed, presurmised, probable, promised,
   prospective, putative, reputed, suggested, supposed, suppositional,
   supposititious, suppositive, taken for granted, understood