Pronunciation: (ā'jun-tiv),[key] —adj.Gram. 1. pertaining to, or productive of, a form that indicates an agent or agency.
2. (in case grammar) pertaining to the semantic role or case of a noun phrase that indicates the volitional or primary causer of the action expressed by a verb.
—n. 1. an agentive word or suffix.
2. the agentive case.