- threshold
- n1. doorsill, sill, groundsill, groundsel, ground beam, ground plate; doorway, door, portal, hatch, Fr. porte; gate, gateway, postern; stile, turnstile, wicket; entrance, entryway, entry, entree, inlet, ingress, approach, opening.2. entry level, starting point, square one, zero, bottom; top, head, foreward, preface, prologue, preamble, prelude, overture, beginning, start, commencement, outset, brink, edge, verge; onset, outbreak, down, debut, conception, birth, genesis, exordium, Inf. kick-off, Inf. jump-off, Inf take-off, Inf. blast-off, Inf. send-off; origin, source, beginnings, incipience, nascence, infancy.
A Note on the Style of the synonym finder. 2014.