How to Say "to enlighten" in Spanish
The most common Spanish word for “to enlighten” is “iluminar” — use 'iluminar' when you mean to give someone profound knowledge, spiritual insight, or a sudden realization, as if a light has been turned on in their mind..
iluminar
/ee-loo-mee-nahr//ilu.miˈnaɾ/

Examples
Sus enseñanzas iluminaron a toda una generación.
His teachings enlightened an entire generation.
Tu explicación iluminó mis dudas sobre el proyecto.
Your explanation clarified my doubts about the project.
Buscaba un guía que pudiera iluminar su camino espiritual.
He was looking for a guide who could enlighten his spiritual path.
Figurative Language
Just like the English 'lightbulb moment,' Spanish uses 'iluminar' to describe a sudden understanding or a wise person sharing knowledge.
ilustrar
/ee-loos-trahr//ilusˈtɾaɾ/

Examples
Permítame ilustrar mi punto con un ejemplo real.
Let me illustrate my point with a real example.
El profesor ilustró la teoría mediante un experimento.
The professor illustrated the theory by means of an experiment.
Esos datos sirven para ilustrar la gravedad de la situación.
Those facts serve to illustrate the gravity of the situation.
Abstract Subjects
Unlike the drawing definition, here the 'subject' doing the action can be an object or data. Example: 'Esta tabla ilustra el crecimiento' (This table illustrates the growth).
Misusing 'a'
Mistake: “Saying 'ilustrar a una idea'.”
Correction: Say 'ilustrar una idea'. You don't need the 'a' for abstract concepts.
Iluminar vs. Ilustrar
Related Translations
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