The Collaborative International Dictionary of English v.0.48:

Appeal \Ap*peal"\, v. t. [imp. & p. p. Appealed; p. pr. & vb.
   n. Appealing.] [OE. appelen, apelen, to appeal, accuse, OF.
   appeler, fr. L. appellare to approach, address, invoke,
   summon, call, name; akin to appellere to drive to; ad +
   pellere to drive. See Pulse, and cf. Peal.]
   1. (Law)
      (a) To make application for the removal of (a cause) from
          an inferior to a superior judge or court for a
          rehearing or review on account of alleged injustice or
          illegality in the trial below. We say, the cause was
          appealed from an inferior court.
      (b) To charge with a crime; to accuse; to institute a
          private criminal prosecution against for some heinous
          crime; as, to appeal a person of felony.
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   2. To summon; to challenge. [Archaic]
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            Man to man will I appeal the Norman to the lists.
                                                  --Sir W.
                                                  Scott.
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   3. To invoke. [Obs.] --Milton.
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The Collaborative International Dictionary of English v.0.48:

Appease \Ap*pease"\, v. t. [imp. & p. p. Appealed; p. pr. &
   vb. n. Appeasing.] [OE. apesen, apaisen, OF. apaisier,
   apaissier, F. apaiser, fr. a (L. ad) + OF. pais peace, F.
   paix, fr. L. pax, pacis. See Peace.]
   To make quiet; to calm; to reduce to a state of peace; to
   still; to pacify; to dispel (anger or hatred); as, to appease
   the tumult of the ocean, or of the passions; to appease
   hunger or thirst.
   [1913 Webster]

   Syn: To pacify; quiet; conciliate; propitiate; assuage;
        compose; calm; allay; hush; soothe; tranquilize.
        [1913 Webster]