Adjunctively is an adverb that means in addition or supplementary. There are many synonyms for this word that can be used interchangeably. For example, one can use "additionally," "furthermore," "also," "moreover," "besides," "likewise," "too," "not to mention," "in addition to," "on top of that," or "as well as." Each of these synonyms is suitable in different contexts, and using them can make your communication more engaging and effective. By using these words, you can add depth and nuance to your writing or speech while also making it more interesting and comprehensible to your audience.