Aditio a die - Adition to date (Legal term - Condition in which the buyer accepts termination of the sale, if the seller finds a better offer within the deadline stated in the contract)
Aditio haereditatis - Addition of inheritance (Legal term)
Aditio in diem - Adition to date (Legal term - Condition in which the buyer accepts termination of the sale, if the seller finds a better offer within the deadline stated in the contract)
Admissio proter non usum - Admission by lack of use (Legal term - voluntary servitude is ended by non-use)
Advocati non ultra quam litium poscit utilitas in licentiam conviciandit et malidicendi temeritati prorrumpant - Lawyers should not employ reckless insults and curses, not having to do with the utility of the Process (Legal term)
Advocatorum error litigatoribus non noceat - An error by the defenders can not harm litigants (Legal term - Codex Iustiniani 2.9.3)
Aediles plebei - Custodian of the people (In ancient Rome, auxiliary officers in charge of minor legal issues)
Aequitas sequitur legem - Equity follows the law (Legal term)
Aequo animo - With a calm mind (Legal term)
Aestimatio delicti praeteriti ex post facto non crescit - The evaluation of a past crime does not increase by a subsequent event (Legal term)
Affectio societatis - Intention to form a society (Legal term)
Affidavit - Gave faith (Legal term - A sworn written statement)
Alibi - In another place (Legal term - In legal parlance is used to designate the excuse, namely that a person has not been at the crime scene)
Alieni iuris - Alian right (Legal Term - A person (e.g. a minor) who is legally dependent on another. Compare with sui iuris)
Aliud est punire, aliud vindicare - One thing is to punish, to vindicate is another (Legal Term Leonard Lessius 1554-1623)
Alter parens - Other Parent (Legal term - Person whom something is owe )
Amicus curiae - A friend of the court (Legal term - Advisor in matter of law)
Animus confidenti - Intention to confess (Legal term)
Animus defendendi - Intention to defend (Legal term)
Animus domini - Intent to be owner (Legal term)
Animus donandi - Intention to make a gift (Legal term)
Animus iniuriandi - Intent to injure (Legal term normally written as cum animo iniuriandi)