It comes from the Latin word "hortari," which means "to exhort."
Examples:
* Hortatory language is often used in speeches, sermons, and political campaigns to inspire action.
* A hortatory letter might be written to encourage someone to pursue their dreams.
* A hortatory poem might call for social change or inspire hope.
In essence, something hortatory is intended to motivate or persuade someone to take a specific course of action.