expostulatory

/ɪkˈspɑstʃələˌtɔri/
adjective
  1. Expressing strong disagreement or protest; intended to reason with someone and change their mind.
    • He wrote an expostulatory letter to the editor about the misleading article.
    • The teacher's expostulatory remarks failed to convince the students to change their behavior.
    • Her expostulatory tone made it clear she was not happy with the decision.
Antonyms