† ˈforthwise,v.Obs. [OE.forþwísian, f. forth adv. + wísian to show, guide.] trans. To guide forth, direct; hence, to bring up (a child). Beowulf (Gr.) 1795 Him seleþeᵹn..forð wisade.c1315Shoreham 68 The fader and moder That hyne fleschlyche forthwyseth.