Urging a course of action, encouraging, inciting, giving advice.
Jolted by the film’s hortatory power, isolationist senators held hearings on what they deemed Hollywood’s call to arms, but by February, 1942, when Cooper won an Oscar for the role, America was again at war.
The manner of address is highly personal, a world away from the hortatory manner of the public lecture.
Michael Glover, The Independent, 30 August 2000, The Independent
reviewing Paul Muldoon's To Ireland, I. Amazon
In the civil-rights movement his moral stance was clear, but in discussing the Vietnam War, in which the issues were more complex, his statements, affected by the temper of the time, became less revealing, replacing evocation with hortatory proclamations modeled on the biblical prophets.
Edward Rpthstein, The New York Times, 24 December 2007. New York Times
Don't Cry for Me, Argentina belongs to a fascinating category of songs purists refer to as the geographically hortatory; that is, songs in which a city, state or nation is addressed directly and exhorted to take a particular course of action at the direction of the singer, no matter how onerous or implausible.
You remember Kruger: 'I shop therefore I Am', 'Don't be a jerk!' and other accusatory or hortatory messages, generally printed on T-shirts or written up in neon, to the reported irritation of pedestrians in Times Square.