Meaning : Formal and explicit approval.
Example :
A Democrat usually gets the union's endorsement.
Synonyms : countenance, endorsement, imprimatur, indorsement, warrant
Meaning : A mechanism of social control for enforcing a society's standards.
Meaning : Official permission or approval.
Example :
Authority for the program was renewed several times.
Synonyms : authorisation, authority, authorization
Meaning : The act of final authorization.
Example :
It had the sanction of the church.