The word "exhortative" reflects a forceful and urgent call to action or persuasion. Some synonyms for this, which carry similar connotations, include "insistent," "assertive," and "imperative." Additionally, words like "encouraging," "motivating," and "stimulating" could also describe a more uplifting and positive approach to exhortation. Other synonyms that could imply a more emotional or impassioned exhortation include "pleading," "beseeching," or "imploring." Ultimately, the choice of synonym will depend on the context and tone of the exhortation being given, but these options provide a range of shades of meaning for a more exhortative message.