The definition of preliminary is something that happens or comes before the main action.
The preliminary section of a book, often having material considered essential to an understanding of the main text
To furnish or introduce with a preface
Find another word for front-matter. In this page you can discover 5 synonyms, antonyms, idiomatic expressions, and related words for front-matter, like: preliminary, introduction, preface, explanatory matter and prelims.