the GNU version of the Collaborative International Dictionary of English
adj. Prefatory.
The Century Dictionary and Cyclopedia
Prefatory; introductory.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. serving as an introduction or preface
Word Usage
"As a celebrated milestone in the development of British Romanticism, Wordsworth's prefatorial success lay in his proposal of a new artistic mechanism."