Desiderative is an adjective used to describe a strong desire or aspiration towards something. However, if you're looking for alternative words that can be used interchangeably with desiderative, here are a few synonyms: aspiration, longing, yearning, craving, hankering, passion, eagerness, enthusiasm, ambition, and craving. Each of these synonyms can be used in place of desiderative, depending on the context of the sentence. For instance, instead of saying "the desiderative urge to succeed," you could say "the yearning to succeed," or "the craving to succeed." Using synonyms helps to create more variety and expression in language.