Expatiate — Defs

01 v. i. To range at large, or without restraint.

imp. & p. p. Expatiated; p. pr. & vb. n. Expariating

1.
To range at large, or without restraint.
“Bids his free soul expatiate in the skies.” — Pope.
2.
To enlarge in discourse or writing; to be copious in argument or discussion; to descant.
“He expatiated on the inconveniences of trade.” — Addison.

02 v. t. To expand; to spread; to extend; to diffuse; to broaden.

1.
To expand; to spread; to extend; to diffuse; to broaden.
“Afford art an ample field in which to expatiate itself.” — Dryden.