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fundamentar means to base / to justify — a common term in Academic & Exam Prep. Learn how it's used in a real-world example.

📅 Published: September 15, 2025

🧠 Academic & Exam Prep

fundamentar

verb • /[foon-dah-men-TAR]/

to base / to justify

Example:

Las decisiones deben fundamentarse en evidencia sólida.

Decisions must be based on solid evidence.

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🧠 What does fundamentar mean?

Fundamentar means 'to base' or 'to justify,' often used when providing a foundation for an argument, theory, or belief. It implies giving solid reasons or evidence to support a claim, making it especially relevant in academic and formal contexts.

📚 Extra examples

  • Necesito fundamentar mi tesis con datos concretos.
    I need to base my thesis on concrete data.
  • El abogado fundamentó su argumento en la ley.
    The lawyer based his argument on the law.
  • Es importante fundamentar tus opiniones con ejemplos.
    It's important to justify your opinions with examples.
  • Fundamentaron su decisión en un estudio exhaustivo.
    They based their decision on a thorough study.

❓ FAQ

How do you say 'to base / to justify' in Spanish?
The Spanish verb 'fundamentar' covers both 'to base' and 'to justify,' depending on the context.
How do you pronounce 'fundamentar' in Spanish?
It's pronounced foon-dah-men-TAHR, with the stress on the last syllable.
How do you use 'fundamentar' in a sentence?
You can use 'fundamentar' like this: 'Ella fundamentó su respuesta con ejemplos claros' (She based/justified her answer with clear examples).
What is the English translation of 'fundamentar'?
Fundamentar translates to 'to base' or 'to justify' in English.
Does 'fundamentar' change for gender or number?
Yes, like other Spanish verbs, 'fundamentar' conjugates according to the subject pronoun (e.g., yo fundamento, tú fundamentas, él/ella/usted fundamenta, nosotros/nosotras fundamentamos, vosotros/vosotras fundamentáis, ellos/ellas/ustedes fundamentan).
Is 'fundamentar' common in everyday Spanish?
While understood by most, it's more common in formal settings, academic discussions, and written texts rather than casual conversations.
Does 'fundamentar' have slang or double meanings?
No, 'fundamentar' doesn't have slang meanings and is generally used in its literal sense of basing or justifying.
Is 'fundamentar' used differently in Spain vs Latin America?
The meaning and usage of 'fundamentar' are consistent across both Spain and Latin America.
How do you conjugate 'fundamentar' in Spanish?
Here's a simple present tense conjugation: Yo fundamento, Tú fundamentas, Él/Ella/Usted fundamenta, Nosotros/Nosotras fundamentamos, Vosotros/Vosotras fundamentáis, Ellos/Ellas/Ustedes fundamentan. Other tenses follow regular -ar verb patterns.

🔁 Synonyms & opposites of "fundamentar"

Synonyms: basar, justificar, apoyar, sustentar
Opposites: refutar, contradecir, desmentir

💡 Did You Know?

The word 'fundamentar' comes from the Latin 'fundamentum,' meaning 'foundation.' This helps to understand its core meaning of providing a solid base.

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