Definition
In Roman law, a formal postponement of judgment or trial, whereby a court or tribunal deferred its decision to allow more time for the examination of a cause. Where a case was not yet ripe for final determination — whether from insufficient evidence, unresolved legal questions, or procedural incompleteness — the presiding authority could declare an ampliatio, effectively suspending proceedings until a further hearing. The device served as a recognized mechanism for judicial restraint in the face of uncertainty, permitting deliberation rather than forcing a premature verdict.
Common Language
Modern common usage (Wiktionary): A rhetorical figure involving the use of an epithet not truly applicable to a person or thing, deployed for effect; separately noted as a deferred decision.
Historical common usage (Webster's 1913): Not entered.
The gap matters here: the rhetorical sense of ampliatio — attributing a quality that does not yet fully belong — is entirely distinct from the procedural Roman law meaning. Researchers encountering the term in classical or ecclesiastical sources should identify context carefully, as the rhetorical usage has no legal operative significance and would be found in grammar and rhetoric texts, not legal proceedings.
Common Confusion
Ampliatio is frequently conflated with comperendinatio, the other principal Roman mechanism for deferring a case. The distinction is recognized by Burrill and by classical sources: comperendinatio was a mandatory adjournment to a specified future day, tied to the formal calendar of proceedings, while ampliatio was a more general grant of further time arising from judicial discretion — specifically a declaration that the matter was not yet sufficiently clear for judgment. The practical effect may appear similar, but the procedural posture and triggering conditions differ. Researchers should not treat the two terms as interchangeable when tracing Roman procedural sources.
Why It Matters in Research
Ampliatio is a term of art confined almost entirely to Roman law and texts derived from or commenting upon Roman procedure. It will not appear in common law materials except in comparative or historical discussions. Researchers using Law Mind sources should expect to find it in civil law treatises, commentaries on Roman procedure, glossaries of Latin legal terms, and works treating the classical judicial system.
Several navigational cautions apply. First, the term appears in a purely Latin form in virtually all historical sources; variant spellings are rare, but researchers consulting manuscript or early printed sources should watch for abbreviations. Second, the rhetorical sense of the word (a trope) circulates in entirely separate literature — classical rhetoric, medieval grammar, and some ecclesiastical writing — and can produce false positives in broader corpus searches. Third, because ampliatio addresses the mechanics of how Roman courts handled uncertainty in judgment, it connects directly to larger questions about non liquet — the doctrine permitting a judge to declare a case unclear rather than decide it — which has its own distinct treatment in Roman law scholarship and in certain civil law jurisdictions.
For researchers tracing the genealogy of judicial continuance or adjournment in civil law systems, ampliatio is the Roman antecedent worth examining. Its disappearance from post-classical codifications is itself informative about how later civil law systems handled the same problem through different mechanisms.
Historical Dictionary Support
Burrill is the only shelf source covering this term, and his entry is brief but accurate. He identifies the core function — granting further time for trial, deferring judgment — and correctly distinguishes ampliatio from comperendinatio by cross-reference, citing Calvinus's Lexicon Juridicum as authority. The entry captures the essential procedural meaning without elaboration.
What Burrill does not address: the specific procedural context in which ampliatio arose (notably its use in Roman criminal proceedings, where the voting panel could declare non liquet or request further inquiry), the relationship of ampliatio to the concept of non liquet more broadly, or the eventual fate of the practice in Justinianic codification. Researchers needing depth beyond Burrill's gloss will need to consult primary Roman procedural sources and modern Romanist scholarship directly.
Jurisdictional Note
Ampliatio is not operative in any modern common law jurisdiction and has no direct statutory or judicial analog under that name in contemporary civil law systems. It is a historical term relevant to Roman law, canon law informed by Roman procedure, and comparative legal history. Its significance is scholarly and genealogical rather than practical.