[1] : The Collaborative International Dictionary of English v.0.48

presentation \pres`enta"tion\, n. l. praesentatio a showing,
   representation: cf. f. pr'esentation.
   1. the act of presenting, or the state of being presented; a
      setting forth; an offering; bestowal.
      1913 webster

            prayers are sometimes a presentation of mere
            desires.                              --hooker.
      1913 webster

   2. hence, exhibition; representation; display; appearance;
      semblance; show.
      1913 webster

            under the presentation of the shoots his wit.
                                                  --shak.
      1913 webster

   3. that which is presented or given; a present; a gift, as,
      the picture was a presentation. r.
      1913 webster

   4. eccl. the act of offering a clergyman to the bishop or
      ordinary for institution in a benefice; the right of
      presenting a clergyman.
      1913 webster

            if the bishop admits the patron's presentation, the
            clerk so admitted is next to be instituted by him.
                                                  --blackstone.
      1913 webster

   5. med. the particular position of the child during labor
      relatively to the passage though which it is to be brought
      forth; -- specifically designated by the part which first
      appears at the mouth of the uterus; as, a breech
      presentation.
      1913 webster

   presentation copy, a copy of a book, engraving, etc.,
      presented to some one by the author or artist, as a token
      of regard.
      1913 webster
see also:
presentation copy 

[2] : WordNet (r) 2.0

presentation
     n 1: the activity of formally presenting something as a prize or
          reward; "she gave the trophy but he made the
          presentation"
     2: the act of making something publicly available; presenting
        news or other information by broadcasting or printing it;
        "he prepared his presentation carefully in advance"
     3: a show or display; the act of presenting something to sight
        or view; "the presentation of new data"; "he gave the
        customer a demonstration" syn: presentment, demonstration
     4: the act of presenting a proposal
     5: a visual representation of something syn: display
     6: formally making a person known to another or to the public
        syn: introduction, intro
     7: obstetrics position of the fetus in the uterus relative to
        the birth canal; "cesarean sections are sometimes the
        result of abnormal presentations"
see also:
presentment demonstration display introduction intro 

[3] : Moby Thesaurus II by Grady Ward, 1.0

207 moby thesaurus words for "presentation":
   christmas present, accommodation, accordance, account,
   acquaintance, acquaintedness, advance, announcement,
   apostolic orders, apparition, appearance, appearing, appointment,
   approach, arising, asking price, avatar, award, awarding, benefit,
   bestowal, bestowment, bid, bill, birthday present, blue book, box,
   briefing, bulletin, cadeau, calling, canonization,
   close acquaintance, coming, coming into being, coming out,
   coming-forth, coming-out party, communication, communique,
   concession, conferment, conferral, conferring, consecration,
   contribution, cosmorama, cyclorama, data, datum, debut,
   deliverance, delivery, demonstration, diorama, directory,
   disclosure, dispatch, display, donation, election, emergence,
   enactment, endowment, enlightenment, entertainment, epiphany,
   evidence, exhibit, exhibition, exposition, exposure, facts,
   factual information, fairing, familiarization,
   farewell performance, feeler, flesh show, forthcoming, furnishment,
   gen, general information, georama, gift, gifting, giving, grant,
   granting, guidebook, handout, handsel, hard information,
   holy orders, image, impartation, impartment, incarnation,
   incidental information, induction, info, information, installation,
   institution, instruction, intelligence, introduction, investiture,
   invitation, issuance, knockdown, knowledge, launch, liberality,
   light, light show, major orders, manifestation, materialization,
   materializing, mention, message, minor orders, myriorama,
   nomination, notice, notification, oblation, occurrence, offer,
   offering, opening, ordainment, orders, ordination, ostentation,
   overture, pageant, pageantry, panorama, parade, peace offering,
   performance, phantasmagoria, pomp, preferment,
   preliminary approach, premiere, present, presenting, presentment,
   production, proffer, projection, promotional material, proof,
   provision, psychedelic show, publication, publicity, reading in,
   realization, release, report, representation, retrospective,
   revelation, rise, rising, shifting scene, show, showing,
   showing forth, sidelight, sight, spectacle, stage presentation,
   stage show, statement, submission, subscription, supplying,
   surrender, swan song, tableau, tableau vivant, tentative approach,
   the dope, the goods, the know, the scoop, theatrical performance,
   theophany, transmission, tribute, tryout, unfolding, unfoldment,
   unveiling, varnishing day, vernissage, visuals, vouchsafement,
   white book, white elephant, white paper, word

[4] : Bouvier's Law Dictionary, Revised 6th Ed (1856)

presentation, eccl. law. the act of a patron offering his clerk to the 
bishop of the diocese to be instituted in a church or benefice. 

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