warning notification of something, usually in advance; "they gave little warning of their arrival"; "she had only had four days' warning before leaving Berlin"
caution -
judiciousness in avoiding harm or danger; "he exercised caution in opening the door"; "he handled the vase with care"
precaution 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"
caution -
A carefulattention to the probable effects of an act, in order that failure or harm may be avoided; prudence in regard to danger; provident care; wariness.
