The term 'give authority to' can be expressed in three different ways. The first is 'EMPOWER' which is a seven letter word meaning to give someone the power or authority to do something. The second is 'SANCTION' which is an eight letter word meaning to give official approval or authorization to do something. The last is 'ENABLE' which is a six letter word meaning to make it possible for someone to do something. All three words are related to granting someone the ability to do something, either through official approval or by providing the necessary resources.