au·thor·i·ty n pl -ties
1: an official decision of a court used esp. as a precedent
2 a: a power to act esp. over others that derives from status, position, or office
the authority of the president; also: jurisdiction
b: the power to act that is officially or formally granted (as by statute, corporate bylaw, or court order)
within the scope of the treasurer's authority
police officers executing a warrant...are not required to “knock and announce” their authority and purposes before entering — National Law Journal
c: power and capacity to act granted by someone in a position of control; specif: the power to act granted by a principal to his or her agent
actual authority: the authority that a principal in reality has granted to an agent
actual express authority: the actual authority of an agent specifically stated or written by the principal
actual implied authority: the actual authority of an agent that the principal has not specified but has purposely or through negligence allowed the agent to believe has been granted
apparent authority: the authority that a principal purposely or through negligence allows a third party to believe that the principal's agent has although such authority has not in reality been granted – called also authority by estoppel, ostensible authority;
◇ A principal is bound by the acts of an agent acting with apparent authority.
express authority: authority that is explicitly granted to an agent by a principal – called also expressed authority, stipulated authority;
implied authority: the authority to perform acts that are customary, necessary, and understood by an agent as authorized in performing acts for which the principal has given express authority
ostensible authority: apparent authority in this entry
stipulated authority: express authority in this entry
3: a person in a position of power and esp. a public office
— usu. used in pl.
the local authorities
4 a: a government agency or corporation that administers a revenue-producing public enterprise
the transit authority
b: a government agency or public office responsible for an area of regulation
should apply for a permit to the permitting authority
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.