This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Of, relating to, or constituting a preface; introductory. See Synonyms at preliminary.

adj. introductory, preliminary, serving as a prelude or preface.

adj. Pertaining to, or of the nature of, a preface; introductory to a book, essay, or discourse.

Belonging to a preface; serving as or resembling a preface; introductory.

Synonyms Introductory, preliminary, precursory, preparatory. See introduction.

adj. serving as an introduction or preface

preceding   

following   

introductory    prefacial    prefatorial    proemial    preambulatory    preambular    preambulary   

introductory    commendatory    admonitory    consolatory    miscellaneous    explanatory    cautionary    autobiographical    parenthetical    unpublished