precautional, careful, defensive, protective, fiduciary, lifesaving, discreet, rescue, on the defensive, alert, prophylactic, preventative, preventive.
She urged the adoption of precautionary
measures, by which a retreat might be effected when their post should be no longer tenable.
Nancy fumbled with her pocket mirror, and then thought better of it, but passed a precautionary
hand over the back of her hair to reassure herself as to its arrangement, and straightened her hat.
My thoughts were surely being recorded, and certain kinds of thoughts might trigger automatic precautionary