unaccusative

Etymology
, from the fact that in a nominative-accusative language, the accusative case, which marks the direct object of a transitive verb, typically marks the non-volitional role. In unaccusative verbs, the non-volitional arguments do not take the accusative case.

Adjective

 * 1)  Intransitive and having an experiencer as its subject, that is, the (syntactic) subject is not a (semantic) agent.

Noun

 * 1)  An unaccusative verb.