The phrase "exhortation on" is grammatically correct and can be used in written English
It is typically used to introduce or clarify the subject of an exhortation or motivational statement. Example: The coach gave an exhortation on the importance of teamwork before the game.
Remember his exhortation on "deviant sects," his term for other faiths, including Christian ones?
The government has impressed the green movement with broad visions and exhortation on the world stage.
She gave me three pages of instruction — a tone poem about the importance of flavor, an exhortation on the intensity of herbs and shallots.
An exuberant, colorful exhortation on a drab stretch of the Bowery in downtown Manhattan will not greet pedestrians strolling by the New Museum of Contemporary Art for much longer.
As we have seen, Quaker preaching is not preaching in the traditional sense of exhortation on scripture: "For it was not Christ nor the Apostles Practice to take others Records & Writings that had been spoken from others," Fell says, "but they spoke as the spirit gave them utterance" (Fell 1660f, 4).
The president then cited a line from the Pope's apostolic exhortation on poverty.
After winning the first point of the game, Sharapova exhorted herself with an atypically personalized exhortation of "Come on, Maria!," which may have revealed just how flustered she felt by Williams's mid-set surge.
The audience is hurled from a rousing exhortation ("Come on up to the rising") to a grim, familiar question: "Who'll be the last to die for a mistake?" "That's why we had to get that very right today," he said later.
In the poem, as far as I can recall, Thurston dreams of inviting Julian home to get high, and ends with an exhortation of, "Come on Casablanca, hang out with me and let's fucking jam!" It was funny, and touching for a number of reasons.
Last week's memo was longer on exhortation than on detail.
Apart from his exhortations on missile defense, Mr. Bush struck two useful themes in introducing his candidate.
