noun B2 Upper-Intermediate Common

assumption

uh-SUHM-shn

Assumption (noun) means something accepted as true without proof, or the act of accepting it as true. Example: “The whole plan rested on a false assumption.”

noun

Something accepted as true without proof, or the act of accepting it as true.

"The whole plan rested on a false assumption."

"Let's work on the assumption that the budget stays the same."

The act of taking on a role, duty, or responsibility.

"His assumption of the presidency marked a turning point for the party."

How to Use Assumption

Learner’s notes

In plain EnglishSomething taken to be true without being checked, or the act of taking on a role.

Common pairings

false assumption underlying assumption make an assumption

Word Forms

assumptions plural

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The whole plan rested on a false _____.

Etymology

From Latin assumptio ("a taking up"), from assumere (see "assume"), plus the noun suffix "-ion".

Origin: Latin

Rhymes for assumption

ion lion Zion Dion Sion union scion Orion Onion action minion bunion

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Frequently Asked Questions

What does “assumption” mean?

The word “assumption” means something accepted as true without proof, or the act of accepting it as true. In plain terms, something taken to be true without being checked, or the act of taking on a role.

How do you pronounce “assumption”?

“Assumption” is pronounced uh-SUHM-shn (/əˈsʌm(p).ʃ(ə)n/ in IPA).

How do you use “assumption” in a sentence?

Here is “assumption” used in a sentence: “The whole plan rested on a false assumption.”

What part of speech is “assumption”?

“Assumption” is a noun.

Where does the word “assumption” come from?

The word “assumption” comes from Latin. From Latin assumptio ("a taking up"), from assumere (see "assume"), plus the noun suffix "-ion".

Is “assumption” a common word?

“Assumption” is a fairly common word in modern English, usually learned at around the B2 level.

How many meanings does “assumption” have?

“Assumption” has 2 distinct senses listed in this dictionary. The most common is: something accepted as true without proof, or the act of accepting it as true.