The Collaborative International Dictionary of English v.0.48:

dogmatic \dog*mat"ic\ (d[o^]g*m[a^]t"[i^]k), dogmatical
\dog*mat`ic*al\ (d[o^]g*m[a^]t"[i^]*kal), a. [L. dogmaticus, Gr.
   dogmatiko`s, fr. do`gma: cf. F. dogmatique.]
   1. Pertaining to a dogma, or to an established and authorized
      doctrine or tenet.
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   2. Asserting a thing positively and authoritatively;
      positive; magisterial; hence, arrogantly authoritative;
      overbearing.
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            Critics write in a positive, dogmatic way. --
                                                  Spectator.
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            [They] are as assertive and dogmatical as if they
            were omniscient.                      -- Glanvill.
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   Dogmatic theology. Same as Dogmatics.

   Syn: Magisterial; arrogant. See Magisterial.
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