cautel

noun3

1. •
   A traditional caution or written direction about the proper manner of administering the sacraments.
2. •
   (no longer used) caution; prudence; wariness

   • Here come institution, by your blasphemous sacrifice, in all cautels and provisions of the Mass — 1589
3. •
   (no longer used) deceit

   • Perhaps he loves you now, And now no soil nor cautel doth besmirch The virtue of his will — 1599