Causative (adjective)

1. Indicating or expressing a cause or causation.
2. Causing or producing a particular effect or result.

Origin:

From the latin 'causa', meaning cause.

Examples:

1. In the sentence 'The storm caused flooding', 'caused' is a causative verb.
2. The scientist conducted a causative study to determine the effects of the new drug.
3. The rise in temperature was causative of the snow melting.
4. The causative agent of the disease was found to be a particular strain of bacteria.
5. The use of pesticides has been causative in the decline of bee populations.