WordVale
noun

assumption

/əˈsʌmpʃən/  ·  say it: uh·SUM·shun

something taken as true without proof

In Debate & Persuasion

In more detail

1. (noun) something you believe is true without having proof

2. (noun) the act of taking on a responsibility or position

3. (noun) the assumption that something will happen; an expectation

Examples

How to use assumption

Assumption refers to something accepted as true without evidence, or the act of taking on responsibility. In intellectual contexts, it emphasizes a claim taken for granted in reasoning; in social contexts, it often implies a possibly unjustified belief. The word carries a mild suggestion of uncertainty or risk, distinguishing it from established facts.

Common phrases

Synonyms

supposition · presumption · belief · hypothesis · premise

Opposites

certainty · proof · fact

Word family

assume (verb) · assumed (adjective) · assumedly (adverb)

A common mistake

Learners sometimes confuse 'assumption' with 'resume' or overuse it when a more specific term like 'hypothesis' or 'premise' would be clearer.

Learn it for good

Save this word in WordVale and it comes back for review right before you'd forget it — with pronunciation, real examples, and optional translations. One purchase, no subscription.

Get WordValeFREE 7-DAY TRIAL · iPHONE & iPAD

Nearby in Debate & Persuasion

Keep going