caution
Prudence when faced with, or when expecting to face, danger; care taken in order to avoid risk or harm.
A careful attention to the probable effects of an act, in order that failure or harm may be avoided.
Security; guaranty; bail.
(dated) One who draws attention or causes astonishment by their behaviour.
(law) A formal warning given as an alternative to prosecution in minor cases.
(soccer) A yellow card.
To warn; to alert, advise that caution is warranted.
(soccer) To give a yellow card