Webster's Revised Unabridged Dictionary · 1913

Causative

Causative , adjective

[Latin causativus pertaining to a lawsuit (causa), but in the English sense from English cause.]

1.
Effective, as a cause or agent; causing.
Causative in nature of a number of effects. — Bacon
2.
Expressing a cause or reason; causal; as, the ablative is a causative case.

Causative (ka"zȧ*tiv) , noun

A word which expresses or suggests a cause.