The Collaborative International Dictionary of English v.0.48:

makeup \make"up`\, make-up \make"-up`\(m[=a]k"[u^]p`), n.
   1.

   1. The way in which the parts of anything are put together.
      [1913 Webster]

            The unthinking masses are necessarily teleological
            in their mental make-up.              --L. F. Ward.
      [1913 Webster]

   2. The constituent parts of anything; as, the makeup of the
      new congress was predominantly conservative.
      [PJC]

   3. Cosmetics applied to the face, such as lipstick, facial
      power, or eye shadow.
      [PJC]

   4. The aggregate of cosmetics and costume worn by an actor.
      [PJC]

   5. The effect or appearance of the wearing of makeup (in
      senses 3 or 4); often, the way in which an actor is
      dressed, painted, etc., in personating a character; as,
      her makeup was very realistic.
      [PJC]

   6. An action that is taken to fulfill a requirement not
      accomplished at the expected time, such as a make-up
      examination; as, the student took his make-up on Saturday.
      [PJC]

   7. (Printing) The appearance of a page of a publication,
      specifically the type style of the text and the spatial
      arrangement of the text, illustrations, advertising
      material etc., on the page.
      [PJC]

   8. (Printing) The art or process of arranging the portions of
      a printed publication on the pages for esthetic reasons or
      for optimal effect on the reader.
      [PJC]

WordNet (r) 3.0 (2006):

make-up
    n 1: an event that is substituted for a previously cancelled
         event; "he missed the test and had to take a makeup"; "the
         two teams played a makeup one week later" [syn: makeup,
         make-up]
    2: the way in which someone or something is composed [syn:
       constitution, composition, physical composition,
       makeup, make-up]
    3: cosmetics applied to the face to improve or change your
       appearance [syn: makeup, make-up, war paint]

Moby Thesaurus II by Grady Ward, 1.0:

247 Moby Thesaurus words for "makeup":
   Platonic form, Platonic idea, acknowledgments, aesthetic form,
   anatomy, animus, aptitude, archetype, architectonics, architecture,
   arrangement, art form, assemblage, assembly, back, back matter,
   bad copy, bad likeness, base, bastard title, bent, bias,
   bibliography, blackface, body-build, brand, build, building,
   buildup, camouflage, cast, catch line, catchword, character,
   characteristic, characteristics, clown white, cold cream, colophon,
   combination, compact, complexion, composition, compound,
   configuration, conformation, constituents, constitution,
   construction, contents, contents page, contrast, copyright page,
   cosmetics, costume, crasis, creation, cut, dedication, dharma,
   diathesis, difference, disguise, disparity, disposition,
   dissemblance, dissimilarity, dissimilation, dissimilitude,
   divergence, diversity, drugstore complexion, eccentricity,
   embodiment, endleaf, endpaper, endsheet, errata, ethos, eye shadow,
   eyebrow pencil, fabric, fabrication, face, fashion, fashioning,
   fiber, figuration, figure, flyleaf, folio, fore edge, foreword,
   forging, form, format, formation, foundation, foundation cream,
   frame, front matter, genius, genre, getup, grain, greasepaint,
   habit, half-title page, hand cream, hand lotion, head, hue, humor,
   humors, idiosyncrasy, ilk, impression, imprint, inclination,
   incommensurability, incomparability, incorporation, index,
   individualism, individuality, inner form, inscription,
   introduction, junction, kidney, kind, layout, leaf, leaning,
   lip rouge, lipstick, make, making, manufacture, mascara, matrix,
   mental set, mere caricature, mettle, mind, mind-set, mixture,
   modality, mode, model, mold, molding, mudpack, nail polish, nature,
   nonuniformity, organic structure, organism, organization, page,
   paint, pattern, patterning, personality, physique,
   piecing together, plan, poor imitation, powder, powder puff,
   practical piece, predilection, predisposition, preface, preference,
   preliminaries, proclivity, production, prop, propensity, property,
   prototype, puff, putting together, quality, recto, reverso, rouge,
   running title, set, setup, shape, shaping, signature,
   significant form, slant, somatotype, sort, spirit, stamp, strain,
   streak, stripe, structure, structuring, style, subtitle, suchness,
   syneresis, synthesis, system, table of contents, tail, talcum,
   talcum powder, tectonics, temper, temperament, tendency, tenor,
   text, texture, theatrical makeup, tissue, title, title page, tone,
   trim size, turn, turn of mind, twist, type, type page, unlikeness,
   unresemblance, unsameness, unsimilarity, vanishing cream,
   vanity case, vein, verso, war paint, warp, warp and woof, way,
   weave, web