Filed from 4 published puzzles

POINTOFNORETURN

Set to 4 different clues across 4 published puzzles, most often “Ace?” — The New York Times, Thursday, 22 June 2006.

15 letters

Every clue on record, most used first

Ace?once
The New York Times — Thursday, 22 June 2006
A commitment must be made hereonce
The New York Times — Thursday, 10 March 2005
Where one becomes finally committedonce
The New York Times — Saturday, 29 March 2003
Critical junctureonce
The New York Times — Monday, 17 January 1994

Other answers to these clues

AVIATOR7 letters
FLIER5 letters
HOLEINONE9 letters
HOTSHOT7 letters
NAIL4 letters
ONESPOT7 letters
PAL3 letters
PRO3 letters
TIPTOP6 letters
WHIZ4 letters