expatiate: Meaning and Definition of
ex•pa•ti•ate
Pronunciation: (ik-spā'shē-āt"), [key]
— -at•ed, -at•ing.
- to enlarge in discourse or writing; be copious in description or discussion: to expatiate upon a theme.
- to move or wander about intellectually, imaginatively, etc., without restraint.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.