The Collaborative International Dictionary of English v.0.48:

Match \Match\, v. t. [imp. & p. p. Matched; p. pr. & vb. n.
   Matching.]
   1. To be a mate or match for; to be able to complete with; to
      rival successfully; to equal.
      [1913 Webster]

            No settled senses of the world can match
            The pleasure of that madness.         --Shak.
      [1913 Webster]

   2. To furnish with its match; to bring a match, or equal,
      against; to show an equal competitor to; to set something
      in competition with, or in opposition to, as equal.
      [1913 Webster]

            No history or antiquity can matchis policies and his
            conduct.                              --South.
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   3. To oppose as equal; to contend successfully against.
      [1913 Webster]

            Eternal might
            To match with their inventions they presumed
            So easy, and of his thunder made a scorn. --Milton.
      [1913 Webster]

   4. To make or procure the equal of, or that which is exactly
      similar to, or corresponds with; as, to match a vase or a
      horse; to match cloth. "Matching of patterns and colors."
      --Swift.
      [1913 Webster]

   5. To make equal, proportionate, or suitable; to adapt, fit,
      or suit (one thing to another).
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            Let poets match their subject to their strength.
                                                  --Roscommon.
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   6. To marry; to give in marriage.
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            A senator of Rome survived,
            Would not have matched his daughter with a king.
                                                  --Addison.
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   7. To fit together, or make suitable for fitting together;
      specifically, to furnish with a tongue and a groove, at
      the edges; as, to match boards.
      [1913 Webster]

   Matching machine, a planing machine for forming a tongue or
      a groove on the edge of a board.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

matching \matching\ adj.
   1. having identical or closely similar appearance or
      properties; as, a pair of matching candlesticks.

   Syn: duplicate, twin(prenominal), twinned.
        [WordNet 1.5]

   2. Harmonious and pleasing in appearance when used together;
      as, a matching skirt and blouse.

   Syn: coordinated; color-coordinated.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

matching
    adj 1: being two identical [syn: duplicate, matching,
           twin(a), twinned]
    2: intentionally matched; "curtains and walls were color
       coordinated" [syn: coordinated, co-ordinated, matching]

Moby Thesaurus II by Grady Ward, 1.0:

96 Moby Thesaurus words for "matching":
   Olympic games, Olympics, allegory, analogous, analogy, balancing,
   bout, chromatic, cold, colorific, coloring, comparable,
   comparative anatomy, comparative degree, comparative grammar,
   comparative judgment, comparative linguistics,
   comparative literature, comparative method, compare, comparing,
   comparison, complementary, concours, confrontation, confrontment,
   contest, contrast, contrastiveness, cool, correlation,
   correspondent, corresponding, derby, dichromatic, distinction,
   distinctiveness, duplicate, encounter, engagement, equivalent,
   fight, game, games, glowing, go, gymkhana, harmonious, homologous,
   identical, joust, like, likening, many-colored, match, medley,
   meet, meeting, metaphor, monochromatic, monochrome, monochromic,
   motley, of a kind, of a piece, of a size, opposing, opposition,
   parallel, paralleling, parallelism, parti-colored, pigmentary,
   polychromatic, prismatic, proportion, rainbow, rally, relation,
   rencontre, simile, similitude, spectral, test, tilt, tinctorial,
   tingent, toning, tournament, tourney, trial, trope of comparison,
   twin, variegated, warm, weighing