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How to Say "supposition" in Spanish

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suposición

nounB1formal
Use 'suposición' when referring to a tentative hypothesis or a guess that lacks firm evidence, often in a formal context.

Examples

Es solo una suposición, no tengo pruebas todavía.

It is just an assumption; I don't have proof yet.

supuesto

/soo-PWEHS-toh//suˈpwesto/

nounB1
Use 'supuesto' when stating a foundational belief or premise that is taken as true for the purpose of an argument, plan, or discussion.
A single, smooth stone pedestal standing alone on green grass, ready to support a future structure, symbolizing a foundational assumption.

Examples

Partimos del supuesto de que todos los invitados vendrán.

We're starting from the assumption that all the guests will come.

En el supuesto de que llueva, cancelaremos el picnic.

In the event that it rains, we will cancel the picnic.

A Special Verb Form for Hypotheticals

The phrase 'en el supuesto de que' (in the event that) signals a hypothetical situation. Because it's not a fact, the verb that follows often changes into a special 'what if' form called the subjunctive. For example: 'En el supuesto de que venga...' (In the event that he comes...).

Suposición vs. Supuesto

Learners often confuse 'suposición' and 'supuesto' because both mean 'supposition'. Remember that 'suposición' is more like a hypothesis or guess, while 'supuesto' is a more established premise or given fact for the sake of an argument.

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