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Definition assume in British English

assume verb

[transitive] verb
/əˈsjuːm/

▪ authority, command, control, leadership, power, responsibility

1

to believe that something is true, even though no one has told you or even though you have no proof

Example

Everyone accepted she was telling the truth, although in fact this was quite a lot to assume.

Example

I'm assuming everyone here has an email address.

Example

I think we can safely assume that he is out of town.

Example

I have always assumed her to be American.

Synonyms and related words
1.1

to be based on the idea that something is true

Example

This forecast assumes there will be no recession.

Example

This score is assumed to represent the achievement of an average 7-year-old.

Synonyms and related words
Example

He formally assumes the presidency next week.

Example

She has been invited to assume the role of mentor.

Synonyms and related words
3

to start to control something although no one has officially asked you to

Example

His first priority was assuming control of the army.

Synonyms and related words
4

to begin to have a particular quality, shape, expression etc

Example

The animals assumed their normal resting position.

Example

Time with the family has started to assume greater importance.

Synonyms and related words
5

to pretend to have a particular feeling or attitude

Example

Fay assumed an air of innocence.

Synonyms and related words
Definition assume in British English