Adjective: cautionary 'ko-shu,ne-ree [N. Amer], ko-shu-n(u-)ree [Brit]
- Serving to warn
"The cautionary tale taught children about stranger danger";
- admonitory, exemplary, monitory, warning
- Warding off
"the swastika...a very ancient cautionary symbol occurring among all peoples";
- prophylactic
See also: dissuasive, protective