Definition
In Roman and civil law, the stipulator is the party who asked the question in a stipulatio — the formal oral contract of Roman law — and to whom the promise was made. The counterpart was the promissor, who answered and thereby bound himself. In a broader usage acknowledged by the classical sources, the term was sometimes applied to both parties to the transaction collectively.
In modern legal usage, stipulator is occasionally used informally to describe any party who enters into a stipulation — a voluntary agreement between parties (or their counsel) settling a point of law or fact for purposes of litigation or a legal proceeding. This broader modern use is looser and less technically defined than the Roman law original.
Common Language
Modern common usage (Wiktionary): A person who stipulates.
Historical common usage (Webster's 1913): One who stipulates, contracts, or covenants.
The common meaning is accurate as far as it goes but obscures the asymmetry at the heart of the Roman law term. In the civil law, stipulator named specifically the party who posed the formal question and received the promise — not simply any contracting party. The common definitions flatten this directional distinction, which is the term's primary legal significance in historical sources.
Common Confusion
STIPULATOR and PROMISSOR are the paired roles within a stipulatio: the stipulator asked and received; the promissor answered and bound himself. These roles are complementary, not interchangeable. Some historical sources used stipulator loosely to cover both parties, which can create confusion in close reading. Researchers encountering stipulator in a Roman law or civil law context should determine from surrounding text which sense is intended — the narrow (questioner/promisee) or the broad (either party).
Separately, stipulator as an informal modern descriptor for any party to a litigation stipulation should not be read back into historical civil law texts. The modern procedural stipulation and the Roman contract of stipulatio are related etymologically but distinct legally.
Why It Matters in Research
Researchers working in Roman law, civil law systems, or Louisiana and Quebec materials (which preserve civilian heritage) will encounter stipulator in its precise technical sense. In those contexts, misreading the term as simply "one who agrees" misses the relational structure of the stipulatio, where rights and obligations flowed in a defined direction based on who asked and who answered.
In the broader corpus — particularly family law materials involving divorce agreements, tax litigation, and administrative proceedings — stipulator may appear informally to mean any party to a stipulation. These two senses coexist in the Law Mind corpus and should not be conflated. When the source is pre-20th century or engages Roman or civil law doctrine, apply the narrow technical meaning. When the source is modern procedural or litigation-focused, the term is likely used descriptively.
The Law Mind Tax Encyclopedia and Family Law Encyclopedia both contain substantial material on stipulations as procedural instruments. Neither uses stipulator as a term of art, but understanding the foundational meaning clarifies the underlying concept of a party making or receiving a binding commitment in a structured form.
Historical Dictionary Support
The five source dictionaries are in close agreement. All define stipulator primarily as the party who asked the question in the Roman contract of stipulatio and received the promise. All contrast stipulator with promissor. Burrill is the most detailed, cleanly separating the narrow definition (the questioner/promisee) from the acknowledged broader usage (both parties), and explicitly cross-referencing Stipulatio as the governing concept. Bouvier adds the citation to Hunter's Roman Law for the underlying doctrine and cross-references Adstipulator — the secondary questioner who could stand alongside the primary stipulator in more complex transactions.
The principal gap across all five dictionaries is the absence of any treatment of stipulator in a modern procedural sense. These are historical dictionaries oriented toward Roman and civil law, and they do not address how loosely the term is sometimes used in contemporary practice. Researchers relying solely on these sources will have the Roman law definition well covered but will need to apply judgment when reading modern texts.
Jurisdictional Note
In common law jurisdictions, stipulator has no formal technical standing — it appears only as a descriptive term. In Louisiana, the term carries civilian weight traceable to the Louisiana Civil Code's Roman law heritage, and the related concept of stipulation pour autrui (stipulation for a third party) gives the term continued doctrinal significance.
Encyclopedia Cross-Reference
Tax Court Discovery and Stipulations (The Law Mind Tax Encyclopedia) — tax_180
Divorce: Separation Agreements and Stipulated Judgments (The Law Mind Family Law Encyclopedia) — family_51