Verb:STOP

STOP is a verb that has your character try to stop doing something.

Usage:
STOP {Spell ID#}     - Dispel a worn spell that you can cast
STOP {Mnemonic}      - Dispel a worn spell that you can cast
STOP SINGING         - Stops all current songs
STOP PLAYING         - Stops playing instrument
STOP PLAYING {style} - Stops playing instrument using style
STOP SNEAKING        - Stop sneaking around.
STOP BREEZE          - Stop a Breeze (612) that you have cast.
STOP WATCHING        - Stop watching a player.
STOP PROTECTING      - Stop protecting a player.
STOP GUARDING        - Stop guarding a player.
STOP STALKING        - Stop silently following your target.
STOP MEDITATING      - Stop meditating.
STOP LIST            - Provides a list of activities you can currently STOP doing.

STOP spell

The only two checks for stopping a spell is that it is defensive and that you can cast it. Some offensive spells can be stopped, Breeze (612) being an example; others use different verbs (Tangle Weed (610) uses DISMISS). Minor Sanctuary (213) can by stopped by anyone who has incanted it via scroll, blessed gem, or other method.