美 [egˈzɔːrtəˌtɔːri; ɪgˈzɔːrtəˌtɔːri]
adj. 告诫的
giving strong encouragement
同义词： exhortative / hortative / hortatory
告诫的
monitorial
Exhortatory slogans are everywhere.
勤勉奋进口号到处都是。