General meaning:
* Subjugation: This is the most common and direct noun form, meaning the act of bringing someone or something under control.
* Conquest: This emphasizes the forceful takeover of a place or people.
* Suppression: This highlights the act of forcing something to cease or be silenced.
More specific meanings:
* Domination: This emphasizes the ongoing control and power over someone or something.
* Enslavement: This refers specifically to the act of forcing someone into servitude.
* Subjection: This is a less common but more formal alternative to "subjugation."
The best choice will depend on the specific nuance you want to convey.