Threshold
Doorsill
Synonyms: Doorstep, doorsill, entrance, way in, gate, portal, sill, doorway, entry, door, gateway, and approach.
Beginning
Synonyms: Start, beginning, verge, dawn, origin, conception, launch, institution, debut, day one, commencement, starting point, brink, edge, birth, inception, opening, inauguration, initiation, creation, and kick-off.
Example Sentences
She paused at the threshold of the door.
Crossing the threshold meant entering a new world.
The project is on the threshold of success.
He reached the pain threshold during training.
The threshold for passing the test is 50%.