Filed from 3 published puzzles

POLYESTER

Set to 3 different clues across 3 published puzzles, most often “Leisure suit fabric” — The New York Times, Monday, 22 June 2009.

9 letters

Every clue on record, most used first

Leisure suit fabriconce
The New York Times — Monday, 22 June 2009
A syntheticonce
The New York Times — Sunday, 28 October 2007
You needn't press itonce
The New York Times — Friday, 14 March 1997