Ex-pā'ti-āte1, v. i.
(eks-pā'shī-āt), v. i. [imp. & p. p. EX-PATIATED; p. pr. & vb. n. EXPATIATING.] [Lat. expatiari, expatiatum, exspatiari, exspatiatum, from ex, out, and spatiari, to walk about, to spread out, from spatium, space; It. spazzare, spaziarsi, Sp. espaciar, espaciarse, Pr. espassar.]
Sense 1. To move at large; to rove without prescribed limits; to wander in space without restraint.
He bids his soul expatiate in the skies. Pope.
Sense 2. To enlarge in discourse or writing; to be copious in argument or discussion; to descant.
It affords me but little matter on which to expatiate. Burke.