Filed from 3 published puzzles

EXEMPTS

Set to 3 different clues across 3 published puzzles, most often “Lets off” — The New York Times, Sunday, 27 June 2010.

7 letters

Every clue on record, most used first

Lets offonce
The New York Times — Sunday, 27 June 2010
Gives immunity toonce
The New York Times — Saturday, 1 December 2001
Frees from liabilityonce
The New York Times — Monday, 18 April 1994

Other answers to these clues

ACQUITS7 letters
EMITS5 letters