Definition
A Latin pleading term meaning "he moderately chastised." Moderate castigavit names a plea in trespass by which a defendant justifies an alleged assault and battery on the grounds that the physical force used constituted lawful, moderate correction of the plaintiff — correction the defendant had a legal right to administer by reason of a recognized relationship of authority over the plaintiff.
The plea does not deny the physical act. It confesses the act and justifies it: the defendant admits to chastising the plaintiff but avers that the chastisement was lawful in kind and moderate in degree. To succeed, the plea must disclose in general terms the cause that made correction expedient and must identify the relationship that conferred the legal right to correct.
A secondary and distinct usage appears in older writ practice: moderate castigavit also names a writ directed to the lord of a court not of record, or his bailiff, commanding that only a moderate amercement be imposed on a party. In this sense the term is a restraining instrument addressed to manorial or local courts, checking excessive financial penalties. The two usages — the plea in trespass and the writ of amercement — share a common root in the concept of legally bounded chastisement but operate in entirely different procedural contexts.
Common Confusion
The pleading use and the writ use share the same Latin name but should not be conflated. A researcher encountering moderate castigavit in a trespass action is dealing with a justification plea going to battery. The same phrase appearing in connection with amercements and manorial courts refers to a distinct writ restraining excessive fines. Historical sources do not always make the separation explicit; Fitzherbert's Natura Brevium addresses the writ context, while Chitty and Blackstone-era pleading authorities address the trespass plea.
Why It Matters in Research
Moderate castigavit is a historically bounded term. It belongs to a legal world that recognized lawful corporal authority of masters over servants, parents over children, schoolmasters over pupils, and husbands (in some jurisdictions and periods) over wives. As those relationships lost legal sanction for physical discipline — a process occurring across the nineteenth century and completing in the twentieth — the plea became unavailable. Researchers working in pre-twentieth-century common law sources will encounter it; researchers working in modern materials will not.
Several navigational traps exist in the corpus:
First, the dual usage problem. Sources treating the plea in trespass and sources treating the amercement writ use identical Latin. Index entries may not distinguish them. Always read surrounding context to determine which usage is present before following a cross-reference chain.
Second, the plea's scope changed over time. Early common law recognized the husband's right of moderate correction as a basis for the plea. By the mid-nineteenth century, English courts had effectively abandoned that extension even as the parent-child and master-servant versions survived longer. American jurisdictions varied. A source accurately describing the plea in 1750 may not accurately describe its scope in 1850.
Third, the pleading mechanics matter for historical research. Bouvier notes the plea must disclose in general terms the cause rendering correction expedient. This is a formal requirement affecting how the plea appears in historical records. A deficient plea on its face — one omitting the relationship or the cause — may have been treated as no justification at all, which affects how to read case outcomes.
Fourth, researchers connecting this term to the law of battery more broadly should note that moderate castigavit is the affirmative justification form of what the substantive law called lawful correction or chastisement. The plea and the substantive doctrine are related but not identical objects; the substantive doctrine survived the formal plea even as common law pleading gave way to code pleading.
Historical Dictionary Support
Black's Law Dictionary (both the first and second editions) and Bouvier's Law Dictionary are in agreement on the core: moderate castigavit is a plea in trespass, confessing battery and justifying it by lawful moderate correction. Bouvier adds the important procedural gloss — that the plea must disclose the cause rendering correction expedient — and gestures toward case law through Chitty and Phillips on Evidence. Black's entries are more compressed.
The historical dictionaries give less attention to the amercement writ usage. Black's first edition briefly notes the writ function, citing Fitzherbert's Natura Brevium, but the second edition drops even that brief treatment. Researchers relying solely on Black's second edition for this term will miss the writ usage entirely. Bouvier does not address the writ usage in the surviving excerpt.
None of the historical dictionary sources substantially addresses the decline and obsolescence of the plea or the jurisdictional variation in which relationships supported it. Those questions require treatise and case law research beyond what the dictionaries provide.
Jurisdictional Note
The plea's availability in American courts depended on whether the underlying substantive right of correction was recognized. American courts generally accepted the parent-child and master-apprentice versions. The spousal correction version was rejected or abandoned in most American jurisdictions significantly earlier than its formal abolition in England. No uniform statutory abolition governs; the plea simply ceased to be viable as the substantive law withdrew the underlying right.