The word "newfangledly" is an adverb that describes something as being recently invented or fashionable. However, there are several synonyms that can be used instead. One suitable replacement is "innovatively", which conveys the idea of introducing something new or groundbreaking. Another option is "cutting-edge", suggesting the latest or most advanced development. Alternatively, "trendily" can be used to indicate something is currently popular or in vogue. "Modernly" is another synonym that denotes a contemporary or up-to-date quality. Ultimately, each of these words provides a different shade of meaning while effectively conveying the concept of something new or fashionable.