- the taking up of the Virgin Mary (body and soul) into heaven when her earthly life was ended
- the feast commemorating this, celebrated by Roman Catholics on Aug 15
Collins Concise English Dictionary © HarperCollins Publishers::
Assumption /əˈsʌmpʃən/ n
as•sume /əˈsum/USA pronunciation
v. [~ + object], -sumed, -sum•ing.
WordReference Random House Unabridged Dictionary of American English © 2026- to take for granted without proof; suppose:to assume that everyone wants peace.
- to take upon oneself:to assume responsibility.
- to take over the duties or responsibilities of:to assume the office of treasurer.
- to pretend to have or be;
feign:to assume a humble manner.
as•sump•tion
(ə sump′shən),USA pronunciation n.
WordReference Random House Unabridged Dictionary of American English © 2026- something taken for granted;
a supposition:a correct assumption. - the act of taking for granted or supposing.
- the act of taking to or upon oneself.
- the act of taking possession of something:the assumption of power.
- arrogance;
presumption. - the taking over of another's debts or obligations.
- [Eccles.]
- (often cap.) the bodily taking up into heaven of the Virgin Mary.
- (cap.) a feast commemorating this, celebrated on August 15.
- Latin assūmptiōn- (stem of assūmptiō), equivalent. to assūmpt(us) taken up (past participle of assūmere; see assume) + -iōn- -ion
- Middle English assumpcioun, assompcioun, assumsion 1250–1300
- 1. 2. presupposition. 1. hypothesis, conjecture, guess, postulate, theory. 3. presumption. 5. effrontery, forwardness.
as•sume
(ə so̅o̅m′),USA pronunciation v.t., -sumed, -sum•ing.
v.i.
as•sum′er, n.
- to take for granted or without proof;
suppose;
postulate;
posit:to assume that everyone wants peace. - to take upon oneself;
undertake:to assume an obligation. - to take over the duties or responsibilities of:to assume the office of treasurer.
- to take on (a particular character, quality, mode of life, etc.);
adopt:He assumed the style of an aggressive go-getter. - to take on;
be invested or endowed with:The situation assumed a threatening character. - to pretend to have or be;
feign:to assume a humble manner. - to appropriate or arrogate;
seize;
usurp:to assume a right to oneself; to assume control. - to take upon oneself (the debts or obligations of another).
- [Archaic.]to take into relation or association;
adopt.
v.i.
- to take something for granted;
presume.
- Latin assūmere to take to, adopt, equivalent. to as- as- + sūmere to take up; see consume
- Anglo-French assumer)
- late Middle English (1400–50
- 1. presuppose. 6. See pretend.
Collins Concise English Dictionary © HarperCollins Publishers::
assumption /əˈsʌmpʃən/ n
- the act of taking something for granted or something that is taken for granted
- an assuming of power or possession of something
- arrogance; presumption
- a statement that is used as the premise of a particular argument but may not be otherwise accepted
Compare axiom
'Assumption' also found in these entries (note: many are not synonyms or translations):
arrogant
- axiom
- back formation
- conversion
- deconstruction
- definitely
- dilemma
- dogmatic
- hypothesis
- let
- petitio principii
- presumption
- rationality
- satisfy
- say
- simulation
- suppose
- Women's Liberation
- affectation
- appersonation
- Assumptionist
- assumptive
- Augustinian of the Assumption
- base
- Bose-Einstein statistics
- condescension
- dogma
- ergodic
- family therapy
- first-cause argument
- form criticism
- grandiose
- halo effect
- incarnation
- inversion
- lame duck
- last-in, first-out
- lycanthropy
- Mary Jane
- Maxwell-Boltzmann statistics
- normative
- Panagia
- posit
- postulate
- precarious
- premise
- pretentious
- pride
- prolepsis
- proud