Another word for cautionary

Martha didn't ask for details, nor did the Deans offer any beyond dire cautionary warnings of childhood dangers.

One other cautionary note, be careful when giving wine to a business client or associate.

You've probably heard the child's cautionary phrase, "Don't let the bedbugs bite!"

While Celtic, German and other European mythologies offer up fairies as cautionary tales, modern literature embraces the array of dark to light by painting the dark, gothic fairies as misunderstood, troubled and layered creations.

Twisted fairy tales can be cautionary tales too, but for a more mature audience.