Expatiate \Ex*pa"ti*ate\, v. t. To expand; to spread; to extend; to diffuse; to broaden. Afford art an ample field in which to expatiate itself. --Dryden. web1913
expatiate v : elaborate or expatiate upon; give details; "She elaborated on her plans" [syn: {elaborate}, {enlarge}, {flesh out}, {expand}, {expound}, {dilate}] wn