assumption

/əˈsʌm(p).ʃ(ə)n/

Proposed by a contributor, not yet supported by evidence.

Also seen as: assumptions

Sense 1

Meaning · English

The act of assuming, or taking to or upon oneself; the act of taking up or adopting.

Noun

Examples

His assumption of secretarial duties was timely.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 2

Meaning · English

The act of taking for granted, or supposing a thing without proof; a supposition; an unwarrantable claim.

Noun

Examples

Their assumption of his guilt disqualified them from jury duty.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Common questions

What does “assumption” mean?

The act of assuming, or taking to or upon oneself; the act of taking up or adopting.

Is “assumption” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.