precaution, safeguard, guard -- (a precautionary measure warding off impending danger or damage or injury etc.; "he put an ice pack on the injury as a precaution"; "an insurance policy is a good safeguard"; "we let our guard down")
precaution -- (the trait of practicing caution in advance)
caution, precaution, care, forethought -- (judiciousness in avoiding harm or danger; "he exercised caution in opening the door"; "he handled the vase with care")
(Sound)
