introduction

An introduction refers to a beginning — maybe presenting someone new to a group, or inserting a new idea into a project. In a piece of writing, the introduction makes clear to the reader the text's purpose.

The noun introduction comes from the Latin verb introducere, meaning "to lead in." This “leading in” might be the formal introduction of a speaker, or the speaker's own introduction to his remarks. Or it might be the insertion of a new and different idea, as in British politician Lord Hailsham's remark, "The introduction of religious passion into politics is the end of honest politics, and the introduction of politics into religion is the prostitution of true religion."

Definitions of introduction
  1. noun
    the act of beginning something new
    synonyms: debut, entry, first appearance, launching, unveiling
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    induction
    the act of bringing about something (especially at an early time)
    product introduction
    the introduction (usually by an advertising campaign) of a new product or product line
    ushering in
    the introduction of something new
    naturalisation, naturalization
    the introduction of animals or plants to places where they flourish but are not indigenous
    induction of labor
    (obstetrics) inducing the childbirth process artificially by administering oxytocin or by puncturing the amniotic sac
    hypnogenesis
    the induction of sleep or hypnosis
    type of:
    beginning, commencement, start
    the act of starting something
  2. noun
    the act of starting something for the first time; introducing something new
    synonyms: creation, foundation, founding, initiation, innovation, instauration, institution, origination
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    authorship, paternity
    the act of initiating a new idea or theory or writing
    type of:
    beginning, commencement, start
    the act of starting something
  3. noun
    formally making a person known to another or to the public
    synonyms: intro, presentation
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    debut
    the presentation of a debutante in society
    reintroduction
    an act of renewed introduction
    type of:
    informing, making known
    a speech act that conveys information
  4. noun
    a new proposal
    “they resisted the introduction of impractical alternatives”
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    type of:
    proposal
    something proposed (such as a plan or assumption)
  5. noun
    the first section of a communication
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    exordium
    (rhetoric) the introductory section of an oration or discourse
    opening
    the initial part of the introduction
    foreword, preface, prolusion
    a short introductory essay preceding the text of a book
    preamble
    a preliminary introduction to a statute or constitution (usually explaining its purpose)
    prolegomenon
    a preliminary discussion inserted at the beginning of a book or treatise
    prologue
    an introduction to a play
    prologue
    an introductory section of a novel or other literary work
    teaser
    an attention-getting opening presented at the start of a television show
    salutation
    word of greeting used to begin a letter
    type of:
    section, subdivision
    a self-contained part of a larger composition (written or musical)
  6. noun
    a basic or elementary instructional text
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    type of:
    school text, schoolbook, text, text edition, textbook
    a book prepared for use in schools or colleges
  7. noun
    the act of putting one thing into another
    synonyms: insertion, intromission
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    cannulation, cannulisation, cannulization, canulation, canulisation, canulization, intubation
    the insertion of a cannula or tube into a hollow body organ
    instillation, instillment, instilment
    the introduction of a liquid (by pouring or injection) drop by drop
    enclosing, enclosure, envelopment, inclosure
    the act of enclosing something inside something else
    injection
    the forceful insertion of a substance under pressure
    blood transfusion, transfusion
    the introduction of blood or blood plasma into a vein or artery
    perfusion
    pumping a liquid into an organ or tissue (especially by way of blood vessels)
    boxing, packing
    the enclosure of something in a package or box
    encasement, incasement
    the act of enclosing something in a case
    epidural injection
    injection of an anesthetic substance into the epidural space of the spinal cord in order to produce epidural anesthesia
    infusion
    (medicine) the passive introduction of a substance (a fluid or drug or electrolyte) into a vein or between tissues (as by gravitational force)
    exchange transfusion
    slow removal of a person's blood and its replacement with equal amounts of a donor's blood
    type of:
    movement
    the act of changing the location of something
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