assumption

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assumption¹

  • /əˈsʌm(p).ʃ(ə)n/

Rhymes with -ʌmpʃən

Where it comes from

From Middle English assumpcioun, from Medieval Latin assūmptiō (“a taking up (into heaven)”) and Latin assūmptiō (“a taking up, adoption, the minor proposition of a syllogism”) (whence -ion), from Latin assūmō (whence as- (“assimilated form of ad-”). See also assume. Doublet of assumptio.

noun assumptions

  1. countable, uncountable The act of assuming, or taking to or upon oneself; the act of taking up or adopting. His assumption of secretarial duties was timely.
  2. countable, uncountable 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. countable, uncountable The thing supposed; a postulate, or proposition assumed; a supposition. No doubt a finite evaluative argument must make some unargued evaluative assumptions, just as finite factual arguments must make some unargued factual assumptions.
  4. countable, uncountable The minor or second proposition in a categorical syllogism.
  5. countable, uncountable The taking of a person up into heaven. Of vvhat texte thou proveſt hell / vvill a nother prove purgatory / a nother lymbo patrum / and a nother the aſſumpcion of oure ladi: And a nother ſhall prove of the ſame texte that an Ape hath a tayle.
  6. countable, uncountable A festival in honor of the ascent of the Virgin Mary into heaven, celebrated on 15 August.
  7. countable, rhetoric, uncountable Assumptio.

Assumption²

proper noun

  1. The Assumption of Mary, the mother of Jesus, into heaven, a Catholic dogma.
  2. A Christian holy day of obligation (August 15) celebrating the Assumption of Mary.

Thesaurus

Closest in meaning: presumption, supposition, premise, premiss, presumptuousness, laying claim, presumptive, conjecture, presupposition, guess, guesswork, possibility, eventuality, suggestion, alleged, postulate

Translations

Every language

noun supposition

中文假设 jiǎshè
Portuguêssuposição, pressuposição
Françaissupposition
DeutschAnnahme, Vermutung, Unterstellung, Mutmaßung, Voraussetzung, These
Italianosupposizione
Ελληνικάυπόθεση ypóthesi
Românăpresupunere
Русскийпредположе́ние predpoložénije
עבריתהשערה hash'ará, הנחה hanakhá

noun the act of assuming, or taking to or upon oneself

Españolasunción
中文假設 /假设 jiǎshè
Françaisassomption
DeutschÜbernahme, Annahme, Anmaßung
Italianoassunzione
Ελληνικάανάληψη análipsi
Românăasumare
Русскийприня́тие на себя́ prinjátije na sebjá

noun the minor or second proposition in a categorical syllogism

Françaisproposition, prémisse
Русскийпосы́лка posýlka

noun taking of a person up into heaven

Españolasunción
हिन्दीस्वर्गारोहण svargārohaṇ
Portuguêsassunção
Françaisassomption
DeutschHimmelfahrt, Auffahrt, Assumtion
Ελληνικάανάληψη análipsi
Românăînălțare
עבריתעלייה השמיימה

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

Españolasunción
Portuguêsassunção
Françaisassomption
DeutschHimmelfahrt, Mariä Himmelfahrt
ItalianoAssunzione
ΕλληνικάΚοίμηση της Θεοτόκου Koímisi tis Theotókou
RomânăAdormirea Maicii Domnului
עבריתהעלייה השמימה f Haaliyá Hashamayma

name a Catholic dogma

FrançaisAssomption
ItalianoAssunzione

name a holy day of obligation

EspañolAsunción
FrançaisAssomption
ItalianoAssunzione

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Cite this
MLA

"assumption." Wiktionary, via Micwyn, micwyn.com/word/assumption. Accessed 6 Nov. 2026.

APA

assumption. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/assumption

Chicago

"assumption." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/assumption.

BibTeX
@misc{assumption_2026,
  title = {assumption},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/assumption},
  urldate = {2026-11-06}
}