A
Legal definitions for terms and concepts beginning with A

Anton Piller Order
A court order allowing a party to litigation to enter the premises of another to search for and, if found, remove specified documents or items.
Apartheid
A system of racial segregation or discrimination previously in force in South Africa.
Apostacy
The ancient criminal offence of atheism or not being Christian, or of denying the doctrines of a state religion.
Appeal
To ask a more senior court or person to review a decision of a subordinate court or person.
Appearance
The act of showing up in court as either plaintiff, defendant, accused or any other party to a civil or criminal suit.
Appellant
The person who initiates an appeal of a judicial body's decision.
Apportionment
The division and distribution of something into proportionate parts; to each according to their share.
Appraisal
The informed and objective inspection and estimation of a thing's worth.
Appraisement
The inspection and appraisal or valuation of property, especially vessels, such as by a court-appointed surveyor, before its judicial sale, thus allowing the court to make an informed decision as to whether the judicial sale price is fair to the parties, particularly where there are competing claims for the proceeds of sale.
Appurtenance
Something that, although detached, stands as part of another thing.
Arbiter
An alternate term for arbitrator; preferred in some jurisdictions such as Scotland.
Arbitration
An agreement to submit a dispute for a hearing and binding decision by a third-party, an arbitrator(s), who is neither a judge or a Court
Arbitration Act
A statute that sets out default terms for the conduct of arbitration between parties to a dispute.
Arbitration Agreement
A contract between two or more parties to refer a dispute to arbitration.
Arbitration Clause
A clause in a contract which requires a party to refer a dispute to arbitration.
Arbitration Rules
The rules of procedure that govern a particular arbitration.
Arbitrator
The adjudicating and presiding officer of a dispute submitted to arbitration.
Arbuckle Rights
The right of an accused to be sentenced by the judge who took his guilty plea.
Armchair Rule
A rule of interpretation that a judge, called upon to interpret an otherwise unclear legal document, shall take into account the circumstances in which the document was created.
Armed Robbery
Robbery committed while the person accused is armed with a dangerous weapon.
Arm's Length
A transaction or relationship where there is an absence of control the one over the other.
Arraignment
The formal appearance of an accused person to hear, and to receive a copy of, the charge against him or her, in the presence of a judge, and to then enter a plea of guilty or not guilty.
Arrears
A debt that is not paid on the due date adds up and accumulates in arrears.
Arrest
The detainment or restraint of a person or thing for the purposes of determining legal rights as regards a thing, or suspicion of criminal activity as regards a person.
Arrestment
Scots law: the seizure of monies owned by a debtor but held by a third-party.
Arson
The intentional setting of a fire to a building.
As Is
That a product is sold in the condition in which it then exists.
Assassination
The targeted, covert killing of an individual without legal process and usually for reasons of, though not necessarily limited to, political or military expediency.
Assault
The touching of another person with an intent to harm, without that person's consent.
Asset
A thing of value.
Assign
To sell, give or otherwise transfer some legal right or responsibility to another.
Assisted Suicide
An attempt to take one's own life with the intentional assistance of another person.
Association
A form of organizational structure which is institutionally operated on a cost recovery basis, for which incorporation is extended by the government or, in some jurisdictions, as an unincorporated association of individuals, for a set of purposes set out in statute such as religious, scientific, social, literary, educational, recreational or benevolent purposes, and generally operated as nearly as possible at cost.
Assumpsit
Medieval era action for breach of contract.
Asylum
A secure place of refuge.
Asylum Shopping
The practise by an individual given asylum by one state as a refugee, to then use that status to attempt to migrate to another country.
Athens Passenger Convention
Formally, the Athens Convention relating to the Carriage of Passengers and their Luggage by Sea (PAL), 1974, an international treaty which establishes a regime of liability for damage suffered by passengers carried on a seagoing vessel.
Attorney
An alternate word for lawyers or barrister and solicitor, used mostly in the USA.
Attorn or Attornment
To consent, implicitly or explicitly, to a transfer of a right.
Audi Alteram Partem
Latin; literally 'hear the other side'.
Audiovisual Work
Serial images, with or without sound, intended to be shown by the use of projectors, viewers, or electronic equipment, regardless of the nature of the material in which the works are embodied.
Audita Querela
An application to a court after judgment seeking to avoid execution of that judgment because of some event intervening between judgment and execution which compromises the judgment creditor's entitlement to execution.
Auditor
A private person who examine, inspects or verifies the accounts of another.
Authentic Act
Civil law: a contract or other legal document which has been properly prepared or authenticated by a court officer, such as a notary, and thereafter given enhanced evidentiary status of its authenticity.
Automatic Stay
In bankruptcy law; a stay of collection and other similar debt enforcement proceedings against a bankrupt.
Automatism
An act done by a person who is not conscious of what he is doing.
Autopsy
The post-mortem dissection and examination of an individual to determine the cause of death.
Autrefois Acquit
Previously acquitted; an accused cannot be tried for a crime because the record shows he has already been subjected to trial for the same conduct and was acquitted.
Averment
Pleadings; official allegations of fact made by a party to a lawsuit.
A Vinculo Matrimonii
Latin: of marriage.
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