How to Say "to assume" in Spanish
The most common Spanish word for “to assume” is “suponer” — use 'suponer' when you are guessing or taking something for granted, implying a belief or expectation.
Use 'suponer' when you are guessing or taking something for granted, implying a belief or expectation.
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Use 'asumir' when you are formally taking on a responsibility, duty, or position.
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Use 'imaginar' to express that you are guessing or taking something for granted, often in a more casual or personal way than 'suponer'.
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Use 'presumir' when something is taken as a fact or is generally believed to be true, often in a legal or formal context.
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Use 'tomarte' (from 'tomar' + 'te') when you are adopting a certain attitude, role, or needing to take a break.
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Use 'adquirir' when something is gaining or taking on a new characteristic, form, or dimension.
Learn more →soo-poh-NEHRsu.poˈneɾ
Examples
Supongo que vas a venir a la fiesta.
I suppose you're coming to the party.
No supongas nada hasta que hables con ella.
Don't assume anything until you talk to her.
The 'Poner' Connection
This word is just the word 'poner' (to put) with 'su-' at the start. Every time you change the ending of 'poner,' do the exact same thing for 'suponer'!
The 'Yo' form error
Mistake: “Yo supono”
Correction: Yo supongo
ah-soo-MEERa.suˈmiɾ
Examples
Ella asumió el liderazgo del equipo la semana pasada.
She took on the leadership of the team last week.
Si cometes un error, debes asumir la responsabilidad.
If you make a mistake, you must assume the responsibility.
It's a Transitive Verb
This verb usually needs a direct object (a thing or responsibility) right after it. For example, you 'asumir' something (la culpa, el cargo, la tarea).
Confusing 'Asumir' and 'Suponer'
Mistake: “Using 'asumir' when you just mean 'to guess' or 'to think.'”
Correction: Use 'suponer' or 'creer' for mental guesses. Use 'asumir' when someone is physically or emotionally taking on a duty or situation.
ee-mah-hee-NARimaɣiˈnaɾ
Examples
Me imagino que ya comiste, ¿verdad?
I suppose you already ate, right?
¿Te imaginas el precio de esa casa?
Can you fathom the price of that house?
Se imaginaron que la reunión sería más corta.
They assumed the meeting would be shorter.
The Reflexive Change
When you add the reflexive pronoun (like 'me' or 'te'), the focus shifts from creating a picture to expressing an internal thought or assumption about reality.
Common Phrase
Use 'Me imagino que...' as a very natural, polite way to introduce an assumption in conversation.
preh-soo-meerpɾesuˈmiɾ
Examples
Se presume que el sospechoso es inocente.
The suspect is presumed to be innocent.
Podemos presumir que los resultados serán positivos.
We can assume that the results will be positive.
Using 'Se presume que'
To say 'It is presumed that,' use the word 'se' before the verb. It's a very common formal way to express an assumption without blaming a specific person.
toh-MAHR-tehtoˈmaɾte
Examples
Necesitas tomarte un descanso después de ese viaje.
You need to take a break after that trip.
Intenta no tomarte las críticas tan personalmente.
Try not to take the criticism so personally (to heart).
¿Qué vas a tomarte?
What are you going to have (to drink/eat)?
Infinitive + Pronoun
‘Tomarte’ is made of the base verb 'tomar' (to take) and the pronoun 'te' (you, informal). When you use 'te' with an infinitive, you always attach it to the end of the verb.
The Reflexive Use (Tomarse)
When 'tomar' is used as 'tomarse,' it means the action is done to or for yourself. For example, 'tomarse un café' means 'to have a coffee (for oneself).'
Incorrect Pronoun Placement
Mistake: “Te necesito tomar un descanso.”
Correction: Necesito tomarte un descanso. (Infinitive construction allows the pronoun to be placed before the conjugated verb OR attached to the infinitive.)
ad-kee-REERaðkiˈɾiɾ
Examples
El conflicto adquirió una dimensión internacional.
The conflict took on an international dimension.
Sus mejillas adquirieron un tono rojizo.
Her cheeks took on a reddish tone.
La situación adquirió un matiz muy serio.
The situation took on a very serious tone.
Abstract Subjects
When using this meaning, the subject is often an abstract concept (like 'the situation' or 'the problem') rather than a person.
Guessing vs. Taking Responsibility
Learners often confuse 'suponer'/'imaginar' (to guess/suppose) with 'asumir' (to take on a responsibility). Remember that 'asumir' implies actively accepting a role or duty, while 'suponer' and 'imaginar' are about forming an opinion or expectation.
Related Translations
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