ENGLISH WORD FILE NO. 00762 · Core CSAT & TOEIC Vocabulary
assumption
n.
US/əˈsʌmpʃən/
UK/əˈsʌmpʃən/
CSAT Frequency72/100
TOEIC Frequency68/100
02
Meanings of assumption
1noun
A thing that is accepted as true or as certain to happen, without proof or evidence.
The study was based on the assumption that all participants would attend regularly.
The study was based on the assumption that all participants would attend regularly.
We cannot make assumptions about what customers actually want without conducting research.
We cannot make assumptions about what customers actually want without conducting research.
03
Derivatives of assumption
assume
to accept as true without proof (verb)
Do not assume that silence means agreement in all cultural contexts.
Do not assume that silence means agreement in all cultural contexts.
assumed
accepted as true without verification (adjective)
The assumed cost of the project turned out to be significantly lower than actual expenses.
The assumed cost of the project turned out to be significantly lower than actual expenses.
make an assumption
to accept something as true without proof (phrase)
It is unwise to make assumptions about someone's intentions without direct communication.
It is unwise to make assumptions about someone's intentions without direct communication.
04
Synonyms & Antonyms of assumption
05
Common Phrases with assumption
make an assumptionmake an assumption
based on the assumptionbased on the assumption
underlying assumptionunderlying assumption
safe assumptionsafe assumption
assumption of powerassumption of power
06
Practice Question: assumption
Choose the best word for the blank
The researcher's ___ that temperature would affect the results proved to be correct after careful analysis.
- A assume
- B assumption
- C assuming
- D assumed
The noun form 'assumption' is required here because it functions as the subject complement following the possessive 'researcher's' and precedes the relative clause.