This is the 2617th most frequent Portuguese word.
inteligentes
Smart or intelligent.
Here, 'inteligentes' is used as a descriptive adjective to describe the quality of being intelligent, applying to a plural subject 'alunos'.
Os alunos da sala de aula são muito inteligentes.
The students in the classroom are very intelligent.
In this sentence, 'inteligentes' is used to qualify 'soluções', indicating that the solutions are clever or smart in character.
Essas soluções para o problema são inteligentes e práticas.
These solutions to the problem are intelligent and practical.
Here 'inteligentes' is used to describe 'escolhas', referring to actions made with intelligence or thoughtfulness.