precautional
1. [ adjective ] taken in advance to protect against possible danger or failure
Synonyms: precautionary
Examples:

"gave precautionary advice" "I would take precautionary steps to keep him away"

Related terms: preventive
Similar spelling:   precaution
  precautionary
  practical
  practically
  practicality
  practical_joke
  practician
  practical_nurse
  practical_joker
  practitioner
  practicably
  practicable