Definition: [noun] an official order or commission to do something.
Example: a mandate to seek the release of political prisoners
Definition: [noun] the authority to carry out a policy, regarded as given by the electorate to a party or candidate that wins an election.
Example: he called an election to seek a mandate for his policies
Definition: [verb] give (someone) authority to act in a certain way.
Example: the rightful king was mandated and sanctioned by God
Definition: [verb] (of territory) be assigned to (another power) under a mandate of the League of Nations.
Example: mandated territories