The Collaborative International Dictionary
Explicator
Explicator \Ex"pli*ca`tor\, n. [L.] One who unfolds or explains; an expounder; an explainer.
Wiktionary
explicator
n. a person or thing who explicate
Usage examples of "explicator".
They expelled the Saidanese from a region to which they gave the name Thaery, after Eus Thario, Explicator of the True Credence.
I missed him, as he had been a boon companion, good chess player and general heller about town, as well as an able explicator of multitudes of matters.
Wendell Green - ace reporter, fearless investigator, explicator of good and evil to the great unwashed - sits in his former place, holding the crumpled foolscap in one hand and the batteries in the other.