This paper argues that a family of related constructions is needed to account for the syntactic and semantic distributions of causative bun1 constructions in Hakka. A holistic integration of the meaning of all its components lends itself to a better understanding of the causation manifested by the bun1 construction. Five major sub-types of causative bun1 constructions are presented: coercive causation, purposive causation, permissive causation, non-preventive causation, and unblocking causation, after cross-investigating such crucial features of event participants as intentionality, animacy, affectedness, and of the verbal features of post-bun1 predicates. It is found that while generalizations exist, idiosyncratic discrepancies are involved in examples of each subclass. Furthermore, corpus data from actual usage demonstrates that the causing event and the resulting event show an asymmetrical ground-figure relation. The pre-bun1 causing event serves to provide background information for the happening of the post-bun1 resulting event.