This is the 9513th most frequent Catalan word.
instruït
Educated or well-informed.
Here, 'instruït' is used as an adjective to describe someone with thorough knowledge or education in a specific subject, like mathematics.
L'alumne era molt instruït en matemàtiques.
The student was very educated in mathematics.
In this context, 'instruït' is used as a past participle to indicate that the subject received instruction or was taught by a teacher.
Ell va instruït per un mestre molt reconegut.
He was instructed by a very renowned teacher.
Here, 'instruït' is used in a figurative sense to describe something (like a manual) that has been prepared or structured to provide good instruction.