Pronunciation: (es"ā-is'tik), [key]
1. of, pertaining to, or like an essay, esp. in style, format, or organization and often in reflecting a more personal approach than a treatise, thesis, or the like.
2. resembling formal exposition.
3. expository; discursive; explanatory.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.