cautionary

英['kɔːʃ(ə)n(ə)rɪ] 美['kɔʃənɛri]

1. tending to ward off;

"the swastika...a very ancient prophylactic symbol occurring among all peoples"- Victor Schultze

2. serving to warn;

"shook a monitory finger at him"

"an exemplary jail sentence"