This is the 10128th most frequent Spanish word.
certificó
"Certificó" means "certified" or "validated."
In this sentence, 'certificó' is used to indicate that the notary confirmed the genuineness of the document.
El notario certificó la autenticidad del documento.
The notary certified the authenticity of the document.
Here, 'certificó' refers to the teacher officially acknowledging the completion of the course by the students.
El profesor certificó que los estudiantes habían completado el curso.
The teacher certified that the students had completed the course.
In this case, 'certificó' is used to express the company's assurance of product compliance with quality norms.