Also known as: idonei · idoneity · idoneitas · fitness · suitability
Written by attorneys · grounded in primary & secondary sources — see below
An adjective in Roman law describing a person or thing as appropriate or suitable for a given role or purpose. A solvent or responsible individual qualified as an idoneus homo while a pledge meeting the required security threshold qualified as idonea cautio.
In a Roman provincial court, advocate Marcus was convicted of tax evasion. The magistrate examined whether the conviction showed Marcus was no longer idoneus for continued practice. Because the offense implicated honesty, the magistrate imposed suspension from the bar.
A Roman pamphleteer published a statement accusing a sitting aedile of chronic absenteeism that rendered the aedile unfit for office. The aedile sued for defamation. The praetor assessed whether the statement concerned the aedile's conduct or fitness in an official capacity.
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A Roman merchant sold industrial equipment under a contract containing a general disclaimer of all warranties. When the equipment proved unsuitable for the buyer's specialized process, the buyer sued for breach. The judge held the disclaimer ineffective because it neither mentioned merchantability nor conspicuously excluded the implied warranty of fitness for a particular purpose.
A Roman defendant filed notice of intent to rely on a mental-disease defense. The prosecution moved for a court-appointed evaluation. The judge determined there was reason to doubt the defendant's fitness to proceed and therefore ordered examination by a qualified physician.
A Roman advocate was convicted of tax evasion. The disciplinary committee reviewed the conviction to decide whether the advocate remained idoneus for practice. The committee concluded that the criminal conduct reflected adversely on honesty and trustworthiness, warranting discipline.
A Roman advocate learned that a colleague had falsified records in client matters. The advocate determined that the misconduct raised a substantial question about the colleague's honesty and fitness to practice. The advocate therefore reported the violation to the appropriate authority.
The term supplies the conceptual root for evaluating whether an applicant possesses the honesty, trustworthiness, and fitness required for admission. Courts and boards examine past conduct to decide whether the applicant is idoneus for the responsibilities of a lawyer.
Supporting sources
No. The conviction must reflect adversely on honesty, trustworthiness, or fitness as a lawyer in other respects. Not every offense meets that threshold.
A lawyer must report when the known violation raises a substantial question as to the other lawyer's honesty, trustworthiness, or fitness as a lawyer in other respects. The duty is limited to substantial questions and does not extend to information protected by confidentiality rules.
…in its law, before it admits an applicant to the bar, but any qualification must have a rational connection with the applicant's fitness or capacity to practice law. Douglas v. Noble , 261 U. S. 165; Cummings v. Missouri , 4 Wall. 277, 319-320. Cf. Nebbia v. New York , 291 U. S. 502. Obviously an applicant could not be…