Filed from 5 published puzzles

MONITOR

Set to 5 different clues across 5 published puzzles, most often “Watch” — The New York Times, Saturday, 1 October 2005.

7 letters

Every clue on record, most used first

Watchonce
The New York Times — Saturday, 1 October 2005
Screen siteonce
The New York Times — Sunday, 15 July 2001
Watch closelyonce
The New York Times — Friday, 18 May 2001
Keep track ofonce
The New York Times — Sunday, 7 February 1999
One side in an 1862 battleonce
The New York Times — Friday, 18 February 1994

Other answers to these clues

EYE3 letters
KEEPANEYEON11 letters
KEEPASHARPEYEON15 letters
KEEPTABSON10 letters
LOOKON6 letters
SPECTATE8 letters
STANDGUARD10 letters
TEND4 letters
TIMEPIECE9 letters
VIGIL5 letters
WITNESS7 letters