Introductorily is an adverb that describes something that is done in an introductory or preliminary way. Synonyms for this word include initially, preliminarily, initially, first, initially, inceptive and at the beginning. These words suggest the beginning stages of something or the first step in a process. Additionally, phrases such as "by way of introduction," "to start with," and "as an opening move" all convey the meaning of introductorily. Using these synonyms can add variation and clarity to your writing, while maintaining the original meaning.