Direct opposites:
* Haphazardness: This refers to a lack of plan or organization.
* Impulsiveness: This implies acting without thinking or planning.
* Randomness: This refers to something happening without any predetermined plan.
Opposites in specific contexts:
* Tactics: While strategy is a broad plan, tactics are specific actions taken to implement that strategy.
* Chaos: This refers to a state of complete disorder, the opposite of a planned strategy.
* Spontaneity: This emphasizes acting on impulse rather than a predetermined plan.
The best antonym depends on the specific situation and what you are trying to convey.