Causal agency refers to the force or mechanism that produces a particular outcome or effect. Some synonyms for causal agency include catalyst, impetus, cause, root, source, factor, and determinant. Another similar term is causation, which can also be used interchangeably with causal agency. Causation often refers to the act of causing, while causal agency refers to the agent or force that causes an effect. Additionally, terms such as triggering, instigating, and provoking can be used to describe something that initiates or sets off a causal chain of events. Overall, the use of synonyms for causal agency can help to clarify and expand upon the concept of causality in a variety of contexts.