The Collaborative International Dictionary of English v.0.48:

Blame \Blame\ (bl[=a]m), v. t. [imp. & p. p. Blamed
   (bl[=a]md); p. pr. & vb. n. Blaming.] [OE. blamen, F.
   bl[^a]mer, OF. blasmer, fr. L. blasphemare to blaspheme, LL.
   also to blame, fr. Gr. blasfhmei^n to speak ill, to slander,
   to blaspheme, fr. bla`sfhmos evil speaking, perh, for
   blapsi`fhmos; bla`psis injury (fr. bla`ptein to injure) +
   fh`mh a saying, fr. fa`nai to say. Cf. Blaspheme, and see
   Fame.]
   [1913 Webster]
   1. To censure; to express disapprobation of; to find fault
      with; to reproach.
      [1913 Webster]

            We have none to blame but ourselves.  --Tillotson.
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   2. To bring reproach upon; to blemish. [Obs.]
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            She . . . blamed her noble blood.     --Spenser.
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   To blame, to be blamed, or deserving blame; in fault; as,
      the conductor was to blame for the accident.
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            You were to blame, I must be plain with you. --Shak.
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Moby Thesaurus II by Grady Ward, 1.0:

28 Moby Thesaurus words for "to blame":
   accountable, accusable, amenable, answerable, arraignable,
   at fault, blamable, blameworthy, censurable, chargeable, criminal,
   culpable, faulty, guilty, impeachable, implicated, imputable,
   inculpated, indictable, involved, liable, open to criticism,
   peccant, reprehensible, reproachable, reprovable, responsible,
   responsible for