General:
* Plan: This is a neutral term for a detailed proposal of action.
* Project: A large and complex undertaking, often with a specific goal.
* Strategy: A carefully devised plan to achieve a specific goal.
* System: A set of interconnected parts working together for a specific purpose.
* Design: A plan or drawing for the construction of something.
Negative connotations:
* Plot: A secret plan, often involving illegal or harmful actions.
* Conspiracy: A secret plan by a group of people to do something unlawful or harmful.
* Intrigue: A secret plot or scheme, often involving deception.
* Ruse: A trick or stratagem used to deceive someone.
* Machination: A crafty and underhanded scheme.
* Deception: The act of misleading someone.
Other:
* Proposal: A formal suggestion for a course of action.
* Framework: A basic structure for something.
* Model: A representation of something, often simplified or idealized.
Please provide more context about the specific situation you are referring to, and I can give you a more accurate and suitable synonym.