What does assumption mean?

Definitions for assumptionəˈsʌmp ʃən

Here are all the possible meanings and translations of the word assumption.

Princeton's WordNet

  1. premise, premiss, assumption(noun)

    a statement that is assumed to be true and from which a conclusion can be drawn

    "on the assumption that he has been injured we can infer that he will not to play"

  2. assumption, supposition, supposal(noun)

    a hypothesis that is taken for granted

    "any society is built upon certain assumptions"

  3. assumption, laying claim(noun)

    the act of taking possession of or power over something

    "his assumption of office coincided with the trouble in Cuba"; "the Nazi assumption of power in 1934"; "he acquired all the company's assets for ten million dollars and the assumption of the company's debts"

  4. Assumption, Assumption of Mary, August 15(noun)

    celebration in the Roman Catholic Church of the Virgin Mary's being taken up into heaven when her earthly life ended; corresponds to the Dormition in the Eastern Orthodox Church

  5. Assumption(noun)

    (Christianity) the taking up of the body and soul of the Virgin Mary when her earthly life had ended

  6. presumption, presumptuousness, effrontery, assumption(noun)

    audacious (even arrogant) behavior that you have no right to

    "he despised them for their presumptuousness"

  7. assumption(noun)

    the act of assuming or taking for granted

    "your assumption that I would agree was unwarranted"


  1. assumption(Noun)

    The act of assuming, or taking to or upon one's self; the act of taking up or adopting.

    His assumption of secretarial duties was timely.

  2. assumption(Noun)

    The act of taking for granted, or supposing a thing without proof; a supposition; an unwarrantable claim.

    Their assumption of his guilt disqualified them from jury duty.

  3. assumption(Noun)

    The thing supposed; a postulate, or proposition assumed; a supposition.

  4. assumption(Noun)

    The minor or second proposition in a categorical syllogism.

  5. assumption(Noun)

    The taking of a person up into heaven.

  6. assumption(Noun)

    A festival in honor of the ascent of the Virgin Mary into heaven.

  7. assumption(Noun)


  8. Origin: From assumpcioun, from assumptio and assumption; see assume.

Webster Dictionary

  1. Assumption(noun)

    the act of assuming, or taking to or upon one's self; the act of taking up or adopting

  2. Assumption(noun)

    the act of taking for granted, or supposing a thing without proof; supposition; unwarrantable claim

  3. Assumption(noun)

    the thing supposed; a postulate, or proposition assumed; a supposition

  4. Assumption(noun)

    the minor or second proposition in a categorical syllogism

  5. Assumption(noun)

    the taking of a person up into heaven

  6. Assumption(noun)

    a festival in honor of the ascent of the Virgin Mary into heaven

  7. Origin: [OE. assumpcioun a taking up into heaven, L. assumptio a taking, fr. assumere: cf. F. assomption. See Assume.]


  1. Assumption

    Assumption is a small town in Christian County, Illinois, United States. The population was 1,168 at the 2010 census.

Chambers 20th Century Dictionary

  1. Assumption

    as-sum′shun, n. act of assuming: a supposition: the thing supposed, a proposition: (logic) the minor premise in a syllogism.—Assumption of the Virgin, a church festival kept on the 15th of August, based on the notion that after the death of Mary, her soul and body were preserved from corruption and taken up to heaven by Christ and His angels.—Deed of assumption (Scots law), a deed executed by trustees under a trust-deed assuming a new trustee or settlement. [L. See Assume.]

Dictionary of Military and Associated Terms

  1. assumption

    A supposition on the current situation or a presupposition on the future course of events, either or both assumed to be true in the absence of positive proof, necessary to enable the commander in the process of planning to complete an estimate of the situation and make a decision on the course of action.

Editors Contribution

  1. assumption

    Someone makes an assumption when they don't know what they are talking about

British National Corpus

  1. Spoken Corpus Frequency

    Rank popularity for the word 'assumption' in Spoken Corpus Frequency: #3173

  2. Written Corpus Frequency

    Rank popularity for the word 'assumption' in Written Corpus Frequency: #4701

  3. Nouns Frequency

    Rank popularity for the word 'assumption' in Nouns Frequency: #840


  1. Chaldean Numerology

    The numerical value of assumption in Chaldean Numerology is: 6

  2. Pythagorean Numerology

    The numerical value of assumption in Pythagorean Numerology is: 3

Sample Sentences & Example Usage

  1. Marco Rubio:

    I think that's a safe assumption.

  2. Matt Salmon:

    My assumption is that the fix is in and they don't need us.

  3. Chief Executive Jeffrey Brown:

    Through time that is a planning assumption we've got today.

  4. Bert Vogelstein:

    It's definitely an unproven assumption and we ought to test it.

  5. France Leila Sadeghee:

    There is the assumption someone is doing stuff to show everyone.

Images & Illustrations of assumption

  1. assumptionassumptionassumption

Translations for assumption

From our Multilingual Translation Dictionary

  • افتراArabic
  • предположение, допускане, приемане, успение, Успение БогородичноBulgarian
  • předpokladCzech
  • formodning, antagelse, himmelfart, optagelse i himlenDanish
  • Himmelfahrt, AuffahrtGerman
  • asunción, suposiciónSpanish
  • Neitsyt Marian taivaaseen ottamisen päivä, olettamus, taivaaseenastuminen, oletusFinnish
  • supposition, hypothèse, proposition, prémisseFrench
  • foshuíomhIrish
  • sipozisyon, asonpsyonHaitian Creole
  • feltevés, mennybemenetelHungarian
  • assunzioneItalian
  • Mariahemelvaart, aanname, hemelvaart, veronderstelling, op zich nemenDutch
  • przypuszczenie, wniebowstąpieniePolish
  • assunção, pressuposto, suposição, pressuposiçãoPortuguese
  • предположение, посылка, принятие на себя, предполоRussian
  • varsayımTurkish

Get even more translations for assumption »


Find a translation for the assumption definition in other languages:

Select another language:

Discuss these assumption definitions with the community:

Word of the Day

Would you like us to send you a FREE new word definition delivered to your inbox daily?

Please enter your email address:     


Use the citation below to add this definition to your bibliography:


"assumption." Definitions.net. STANDS4 LLC, 2018. Web. 20 Mar. 2018. <https://www.definitions.net/definition/assumption>.

Are we missing a good definition for assumption? Don't keep it to yourself...

Nearby & related entries:

Alternative searches for assumption:

Thanks for your vote! We truly appreciate your support.