How to Say "cornerstone" in Spanish
The Spanish word for “cornerstone” is “cimiento” — B2 level.
English → SpanishB2
nounB2formal
the essential part that something is built on metaphorically

Examples
La confianza es el cimiento de una buena amistad.
Trust is the foundation of a good friendship.
Sus estudios pusieron los cimientos para la medicina moderna.
His studies laid the foundations for modern medicine.
Ese argumento no tiene ningún cimiento lógico.
That argument has no logical basis.
Abstract Use
In this abstract sense, you can use either the singular 'el cimiento' or plural 'los cimientos' without changing the meaning.
Using 'Base' Every Time
Mistake: “Only using the word 'base' for everything.”
Correction: Try using 'cimiento' to sound more advanced and poetic when talking about abstract values.
Related Translations
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