ATLAS OF LANGUAGE

AT-CORE-239-001 · ATLAS 260

Agent

The semantic or grammatical role of the entity acting or causing an event.

Part of the subject path Syntax and Grammar

Why is this entry in the Atlas?

G · Foundational concept R2 · Necessary foundation

Agent supplies the participant-role baseline needed for valency and concealed agency. Semantic control must remain distinct from grammatical subjecthood, causal contribution and moral responsibility for an event.

Colours and admission grounds

The rectangular label identifies the entry function: F – linguistic figure or procedure; A – analytical concept; G – foundational concept; E – selected concrete case. The rounded badge indicates the admission ground: R1 – distinctive contribution; R2 – necessary foundation; R3 – justified illustrative case. This editorial rationale explains the current selection rather than claiming an undocumented original selection history.

Explanation

Agent prototypically denotes the semantic role of an entity that intentionally and controllably performs an action. In “Mira opens the window,” Mira is the Agent, but analysis must accommodate borderline cases: wind can open something, medicine can change a condition, and impersonal constructions can suppress human actors. Agent is neither automatically the grammatical subject nor identical with cause, instrument, author, or morally responsible person. Some theories treat semantic roles as discrete categories, while others analyse clusters of gradient properties such as animacy, causation, control, and intention. Passive voice, nominalisation, and nominal style demonstrate how grammar makes agentive participation more or less visible. The movement therefore asks not only “Who does something?” but how language organises an event around a centre of action and thereby foregrounds or removes particular participants.

Movement of thought

1. An event is first perceived with several participating entities, forces, objects, and possible causes. 2. The utterance selects one entity as an acting or controlling centre and attributes agentive properties to it. 3. Grammatical form foregrounds this centre, backgrounds it, or leaves it unexpressed in passive and nominalised constructions. 4. A counter-test separates semantic Agent from subject form, mere cause, instrument, and legal or moral responsibility. 5. The event returns as perspectivised action; its linguistic architecture reveals to whom efficacy is attributed.

Scientific use case

Semantics, syntax, typology, and discourse analysis examine case marking, voice, event structure, and Agent omission. Experiments and corpora test how forms affect attribution, memory, and judgements of responsibility.

Example

“The committee approved the change” names an Agent; “the change was approved” omits it, while “approval of the change” can depersonalise the event still further.

Counterexample

In “The key opened the door,” “the key” is the grammatical subject and denotes an involved instrument. Without intention or control, it is not a prototypical Agent.

Distinction

Distinguish semantic Agent from grammatical subject, Actor, Experiencer, cause, Causer, instrument, author, originator, and responsible person; state the analytic level and prototypical properties.

Effect on thought and perception

Agentive encoding organises a complex event around an effective centre and aids explanation; it can expose, exaggerate, or strategically conceal responsibility.

Resonance

One entity emerges from many forces as the source of movement; when grammar changes its place, the echo of action and responsibility moves with it.

Etymology

Technical core term; individual etymological review pending

Provenance

Unresolved relation network → second core-concept review → Metzler/HWRh cross-check → ATLAS 239

Cite this entry

Reich, Michael (Hrsg./ed.): „Agent“. Atlas der Sprache, AT-CORE-239-001. ATLAS 260, data model 1.6.0. https://atlasoflanguage.com/concept/AT-CORE-239-001

https://atlasoflanguage.com/concept/AT-CORE-239-001

The address remains stable; editorial content may evolve. Editorial reading state: 2026-10-15. Include your access date for precise references.

Historical background

Merriam-Webster relates agent to Latin agens and agere. The Yale Grammatical Diversity Project defines agentive through intentional action and distinguishes an inanimate cause. The former supplies lexical ancestry; the latter supplies a current technical distinction, not the first historical formulation of semantic roles.

How conceptual history changes the analysis

Identify event participation before comparing sentence positions. The intention-based definition is an explicit analytical choice, not a claim about every theory.

Refined short definition

Agent is a semantic role, prototypically the intentional initiator of an event; it is not identical to grammatical subject.

Further explanation

Separate the participant who acts from the participant the sentence foregrounds. A passive can make the affected item the subject while retaining, or omitting, its agent.

An inanimate cause need not be an intentional actor. This distinction lets the reader notice how a report distributes attention and leaves responsibility visible or unmentioned. An omission alone, however, is not proof that the writer intended concealment.

Additional example

Original example: “Maya opened the window” and “The window was opened by Maya” differ in subject, not in agent. “The wind opened it” introduces a cause rather than an intentional agent in this analysis.

References for the historical section

Historical source evidence and Atlas applications remain separate; this import does not assert new first attestations or a fresh exhaustive source verification.