An individual (often a lawyer) appointed to represent the best interests of a child or incapacitated person for the purpose of a legal procedure.

(logic) A type of fallacious argument in which the attempt is made to refute a theory or belief by discrediting the person(s) who advocate that theory or belief; an ad hominem argument.

(law) A writ issued by court authority to compel the attendance of a witness at a judicial proceeding; disobedience may be punishable as a contempt of court.

The (fallacious) conclusion that the fact that Adolf Hitler had a particular idea or quality is sufficient proof that the idea is wrong or the property is bad.

plural of terminus ad quem

the latest possible date of a non-punctual event (period, era, etc.) / an objective or goal

(grammar) A grammatical construction in which a word’s inflexion is determined by the semantics of the word or words with which it associates, in contravention of what is required by grammar.

plural of constructio ad sensum

plural of argumentum ad populum

(rhetoric) A fallacious argument that asserts the truth of a proposition by an appeal to pious testimony or religious revelation.