adj. Serving to explain, explicate, or elucidate; expositive; of or relating to exposition.
the GNU version of the Collaborative International Dictionary of English
adj. Pertaining to, or containing, exposition; serving to explain; explanatory; illustrative; exegetical.
The Century Dictionary and Cyclopedia
Serving to explain; tending to expound.
Setting forth, or set forth, as an instance; specifically, in logic, singular; relating to a single individual. Thus, an expository syllogism is one in which the middle term is a singular.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. serving to expound or set forth
Word Usage
"But crossing that kind of barrier requires rhetorical tools that go beyond plain expository argument."