Filed from 3 published puzzles

GRAZIE

Set to 3 different clues across 3 published puzzles, most often “in Italian” — The New York Times, Thursday, 21 September 2006.

6 letters

Every clue on record, most used first

in Italianonce
The New York Times — Thursday, 21 September 2006
Reply in Romeonce
The New York Times — Sunday, 25 April 1999
Continental word of courtesyonce
The New York Times — Friday, 29 January 1999