Emily Dickinson Lexicon

SO-PHIST'IC-ATE, v.t. [Fr. sophistiquer; Sp. sofisticar.]

1. To adulterate; to corrupt by something spurious or foreign; to pervert; as, to sophisticate nature, philosophy or the understanding. – Hooker. South.
2. To adulterate; to render spurious; as merchandise; as, to sophisticate wares or liquors. They purchase but sophisticated ware. – Dryden.