- threshold - the starting point for a new state or experience; "on the threshold of manhood"
--1 is a kind of beginning, commencement, first, outset, get-go, start, kickoff, starting time, showtime, offset
- threshold, limen - the smallest detectable sensation
--2 is a kind of sensation, sense experience, sense impression, sense datum
--2 has particulars:absolute threshold; difference threshold, differential threshold, difference limen, differential limen - doorway, door, room access, threshold - the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close; "he stuck his head in the doorway"
--3 is a kind of entrance, entranceway, entryway, entry, entree
--3 is a part of wall
--3 has parts:
--3 has particulars: exterior door, outside doorcasing, case; door; doorframe, doorcase; doorsill, doorstep, threshold - doorsill, doorstep, threshold - the sill of a door; a horizontal piece of wood or stone that forms the bottom of a doorway and offer support when passing through a doorway
--4 is a kind of sill
--4 is a part of doorway, door, room access, threshold- brink, threshold, verge - a region marking a boundary
--5 is a kind of boundary, edge, bound
- threshold, limen - the smallest detectable sensation