ˈplenishmentSc. [f. plenish v. + -ment.] Plenishing, outfit. 1823Galt R. Gilhaize II. xvi. 157 Sarah's father..bestowed on us seven rigs, and a cow's grass,..as the beginning of a plenishment to our young fortunes.1879W. Synge Tom Singleton II. viii. 140 A plenishment of new teeth.