Source : Webster's Revised Unabridged Dictionary (1913)

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.

   2. To summon; to challenge. [Archaic]

            Man to man will I appeal the Norman to the lists.
                                                  --Sir W.
                                                  Scott.

   3. To invoke. [Obs.] --Milton.

Appealing \Ap*peal"ing\, a.
   That appeals; imploring. -- {Ap*peal"ing*ly}, adv. --
   {Ap*peal"ing*ness}, n.

Source : WordNet®

appealing
     adj 1: able to attract interest or draw favorable attention; "He
            added an appealing and memorable figure to popular
            American mythology"- Vincent Starrett; "an appealing
            sense of humor"; "the idea of having enough money to
            retire at fifty is very appealing" [ant: {unappealing}]
     2: (of characters in literature or drama) evoking empathic or
        sympathetic feelings; "the sympathetic characters in the
        play" [syn: {sympathetic}, {likeable}, {likable}] [ant: {unsympathetic}]
     3: expressing earnest entreaty; "the appealing and frightened
        look worn by an injured dog"; "she holds out her hand for
        money, importunate, insistent"; "a pleading note in her
        voice" [syn: {imploring}, {importunate}, {pleading}]