precaution precaution /priːˈkɔʃən/

noun

1. () A precautionary measure warding off impending danger, damage or injury etc.  ( guard , safeguard , precaution )
   a precautionary measure warding off impending danger, damage or injury etc.
    He put an ice pack on the injury as a precaution
   he put an ice pack on the injury as a precaution
    An insurance policy is a good safeguard
   an insurance policy is a good safeguard
    We let our guard down
   we let our guard down
   
2. () The trait of practicing caution in advance  ( precaution )
   the trait of practicing caution in advance
   
3. () Judiciousness in avoiding harm or danger  ( forethought , precaution , caution , care )
   judiciousness in avoiding harm or danger
    He exercised caution in opening the door
   he exercised caution in opening the door
    He handled the vase with care
   he handled the vase with care