'Expository' definitions:

Definition of 'expository'

From: WordNet
adjective
Serving to expound or set forth; "clean expository writing" [syn: expository, expositive]

Definition of 'Expository'

From: GCIDE
  • Expository \Ex*pos"i*to*ry\, a. Pertaining to, or containing, exposition; serving to explain; explanatory; illustrative; exegetical. [1913 Webster]
  • A glossary or expository index to the poetical writers. --Johnson. Ex post facto