What is the meaning of sanctioned?

verb

• Give sanction to.
  • usage: "I approve of his educational policies"
  • synonyms: approve, O. K., okay, sanction
• Give authority or permission to.
  • synonyms: sanction
• Give religious sanction to, such as through on oath.
  • usage: "sanctify the marriage"
  • synonyms: sanction

adjective

• Conforming to orthodox or recognized rules."the drinking of cocktails was as canonical a rite as the mixing- Sinclair Lewis
  • synonyms: canonic, canonical
• Formally approved and invested with legal authority.
  • synonyms: ratified
• Established by authority; given authoritative approval.
  • usage: "a list of approved candidates"
  • synonyms: approved