This is the 4454th most frequent Spanish word.
aconseja
"Advises."
In this sentence, 'aconseja' is a verb meaning 'advises', used in the present tense to indicate the professor's action of giving advice to students.
El profesor aconseja a sus estudiantes estudiar diariamente.
The professor advises his students to study daily.
Here, 'aconseja' means 'advises', where it describes the action of offering advice repeatedly over time.
Mi madre siempre me aconseja que sea paciente.
My mother always advises me to be patient.
In this usage, 'aconseja' conveys a recommendation made by the tour guide regarding timing to visit the museum.