Cause to is a phrasal verb that means to make something happen or to force someone to do something. There are several synonyms for this phrase, including trigger, prompt, instigate, induce, and propel. Trigger is often used to describe a sudden or unexpected event that causes an action or reaction. Prompt is used to describe a specific action or command that causes an immediate response. Induce is used to describe a more gradual process that leads to a desired outcome. Instigate and propel are used to describe actions that push or motivate someone to do something, often with negative connotations.