Here are some synonyms for "reprove":
* Reprimand
* Admonish
* Censure
* Chastise (more severe)
* Rebuke (more formal)
* Upbraid (stronger, often implying anger)
Here are some examples of how "reprove" might be used in a sentence:
* "The teacher reproved the student for talking in class."
* "The manager reproved the employee for being late to work."
* "The priest reproved the congregation for their lack of charity."
While "reprove" can sometimes be used to express disappointment or disapproval, it generally implies a more constructive intent, aiming to guide someone towards better behavior.