The Collaborative International Dictionary of English v.0.48:

Appellation \Ap`pel*la"tion\, n. [L. appellatio, fr. appellare:
   cf. F. appellation. See Appeal.]
   1. The act of appealing; appeal. [Obs.] --Spenser.
      [1913 Webster]

   2. The act of calling by a name.
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   3. The word by which a particular person or thing is called
      and known; name; title; designation.
      [1913 Webster]

            They must institute some persons under the
            appellation of magistrates.           --Hume.
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   Syn: See Name.
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WordNet (r) 3.0 (2006):

appellation
    n 1: identifying word or words by which someone or something is
         called and classified or distinguished from others [syn:
         appellation, denomination, designation,
         appellative]

Moby Thesaurus II by Grady Ward, 1.0:

40 Moby Thesaurus words for "appellation":
   appellative, baptism, binomen, binomial name, byword, calling,
   christening, cognomen, cryptonym, definition, denomination,
   designation, empty title, epithet, eponym, euonym, handle,
   honorific, hyponym, identification, label, moniker, name, namesake,
   naming, nicknaming, nomen, nomen nudum, proper name, proper noun,
   scientific name, secret name, style, styling, tag, tautonym,
   terming, title, trinomen, trinomial name