Definition

1. Adverb:
   • In a manner relating to or expressing cause and effect: Describes an action or relationship that operates through or involves causation.
   • In a way that is connected as a cause to an effect: Indicates that something is being considered or described in terms of its role as a cause.

Usage Examples

• Adverb:
  • The two events are not causally linked. (The events are not connected in a cause-and-effect manner.)
  • Scientists study how these variables interact causally. (Scientists study how these variables interact as causes and effects.)
  • He argued that the policy was causally responsible for the economic shift. (He argued the policy was the direct cause of the economic shift.)

Advanced Usage

• Philosophical/Scientific Context: Used to describe the fundamental relationship between events or states.
  • The study aims to determine whether poverty is causally related to health outcomes. (The study aims to find out if poverty is a direct cause of specific health results.)
• "Causally efficacious": Having the power to produce an effect. This is a common collocation in academic writing.
  • The theory examines which mental states are causally efficacious. (The theory examines which mental states have real power to cause changes.)

Variants and Related Words

• Causal (adjective): Relating to or acting as a cause.
  • There is a causal relationship between smoking and lung disease.
• Causation (noun): The action of causing something; the relationship between cause and effect.
  • The lawyer debated the issue of causation in the accident.
• Cause (noun/verb): The person or thing that gives rise to an action / To make something happen.
  • The cause of the fire was electrical. / The news caused great concern.

Synonyms

• As a cause: In a causative manner.
• Determinatively: In a way that determines an outcome (more specific).

Notes on Meaning

• Key Distinction: "Causally" describes the of a relationship or connection. It is not the same as "because," which is a conjunction introducing a reason.
  • Correct: We analyzed the data causally. (We analyzed it in terms of cause/effect.)
  • Incorrect/Different: We stayed home causally it rained. (This misuses the adverb. The correct word is "because.")

Adverb

1. in a causal fashion
   • causally efficacious powers